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13 years agoMerge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
Linus Torvalds [Sun, 12 Jun 2011 18:03:08 +0000 (11:03 -0700)]
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (55 commits)
  ISDN, hfcsusb: Don't leak in hfcsusb_ph_info()
  netpoll: call dev_put() on error in netpoll_setup()
  net: ep93xx_eth: fix DMA API violations
  net: ep93xx_eth: drop GFP_DMA from call to dma_alloc_coherent()
  net: ep93xx_eth: allocate buffers using kmalloc()
  net: ep93xx_eth: pass struct device to DMA API functions
  ep93xx: set DMA masks for the ep93xx_eth
  vlan: Fix the ingress VLAN_FLAG_REORDER_HDR check
  dl2k: EEPROM CRC calculation wrong endianess on bigendian machine
  NET: am79c961: fix assembler warnings
  NET: am79c961: ensure multicast filter is correctly set at open
  NET: am79c961: ensure asm() statements are marked volatile
  ethtool.h: fix typos
  ep93xx_eth: Update MAINTAINERS
  ipv4: Fix packet size calculation for raw IPsec packets in __ip_append_data
  netpoll: prevent netpoll setup on slave devices
  net: pmtu_expires fixes
  gianfar:localized filer table
  iwlegacy: fix channel switch locking
  mac80211: fix IBSS teardown race
  ...

13 years agoMerge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris...
Linus Torvalds [Sun, 12 Jun 2011 02:56:25 +0000 (19:56 -0700)]
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6:
  AppArmor: Fix sleep in invalid context from task_setrlimit

13 years agoISDN, hfcsusb: Don't leak in hfcsusb_ph_info()
Jesper Juhl [Sat, 11 Jun 2011 06:36:42 +0000 (06:36 +0000)]
ISDN, hfcsusb: Don't leak in hfcsusb_ph_info()

We leak the memory allocated to 'phi' when the variable goes out of scope
in hfcsusb_ph_info().

Signed-off-by: Jesper Juhl <jj@chaosbits.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
13 years agonetpoll: call dev_put() on error in netpoll_setup()
Dan Carpenter [Sun, 12 Jun 2011 01:55:22 +0000 (18:55 -0700)]
netpoll: call dev_put() on error in netpoll_setup()

There is a dev_put(ndev) missing on an error path.  This was
introduced in 0c1ad04aecb "netpoll: prevent netpoll setup on slave
devices".

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
13 years agonet: ep93xx_eth: fix DMA API violations
Mika Westerberg [Sat, 11 Jun 2011 08:39:58 +0000 (08:39 +0000)]
net: ep93xx_eth: fix DMA API violations

Russell King said:
>
> So, to summarize what its doing:
>
> 1. It allocates buffers for rx and tx.
> 2. It maps them with dma_map_single().
>       This transfers ownership of the buffer to the DMA device.
> 3. In ep93xx_xmit,
> 3a. It copies the data into the buffer with skb_copy_and_csum_dev()
>       This violates the DMA buffer ownership rules - the CPU should
>       not be writing to this buffer while it is (in principle) owned
>       by the DMA device.
> 3b. It then calls dma_sync_single_for_cpu() for the buffer.
>       This transfers ownership of the buffer to the CPU, which surely
>       is the wrong direction.
> 4. In ep93xx_rx,
> 4a. It calls dma_sync_single_for_cpu() for the buffer.
>       This at least transfers the DMA buffer ownership to the CPU
>       before the CPU reads the buffer
> 4b. It then uses skb_copy_to_linear_data() to copy the data out.
>       At no point does it transfer ownership back to the DMA device.
> 5. When the driver is removed, it dma_unmap_single()'s the buffer.
>       This transfers ownership of the buffer to the CPU.
> 6. It frees the buffer.
>
> While it may work on ep93xx, it's not respecting the DMA API rules,
> and with DMA debugging enabled it will probably encounter quite a few
> warnings.

This patch fixes these violations.

Signed-off-by: Mika Westerberg <mika.westerberg@iki.fi>
Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
Acked-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Tested-by: Petr Stetiar <ynezz@true.cz>
Signed-off-by: David S. Miller <davem@davemloft.net>
13 years agonet: ep93xx_eth: drop GFP_DMA from call to dma_alloc_coherent()
Mika Westerberg [Sat, 11 Jun 2011 08:39:57 +0000 (08:39 +0000)]
net: ep93xx_eth: drop GFP_DMA from call to dma_alloc_coherent()

Commit a197b59ae6e8 (mm: fail GFP_DMA allocations when ZONE_DMA is not
configured) made page allocator to return NULL if GFP_DMA is set but
CONFIG_ZONE_DMA is disabled.

This causes ep93xx_eth to fail:

 WARNING: at mm/page_alloc.c:2251 __alloc_pages_nodemask+0x11c/0x638()
 Modules linked in:
 [<c0035498>] (unwind_backtrace+0x0/0xf4) from [<c0043da4>] (warn_slowpath_common+0x48/0x60)
 [<c0043da4>] (warn_slowpath_common+0x48/0x60) from [<c0043dd8>] (warn_slowpath_null+0x1c/0x24)
 [<c0043dd8>] (warn_slowpath_null+0x1c/0x24) from [<c0083b6c>] (__alloc_pages_nodemask+0x11c/0x638)
 [<c0083b6c>] (__alloc_pages_nodemask+0x11c/0x638) from [<c00366fc>] (__dma_alloc+0x8c/0x3ec)
 [<c00366fc>] (__dma_alloc+0x8c/0x3ec) from [<c0036adc>] (dma_alloc_coherent+0x54/0x60)
 [<c0036adc>] (dma_alloc_coherent+0x54/0x60) from [<c0227808>] (ep93xx_open+0x20/0x864)
 [<c0227808>] (ep93xx_open+0x20/0x864) from [<c0283144>] (__dev_open+0xb8/0x108)
 [<c0283144>] (__dev_open+0xb8/0x108) from [<c0280528>] (__dev_change_flags+0x70/0x128)
 [<c0280528>] (__dev_change_flags+0x70/0x128) from [<c0283054>] (dev_change_flags+0x10/0x48)
 [<c0283054>] (dev_change_flags+0x10/0x48) from [<c001a720>] (ip_auto_config+0x190/0xf68)
 [<c001a720>] (ip_auto_config+0x190/0xf68) from [<c00233b0>] (do_one_initcall+0x34/0x18c)
 [<c00233b0>] (do_one_initcall+0x34/0x18c) from [<c0008400>] (kernel_init+0x94/0x134)
 [<c0008400>] (kernel_init+0x94/0x134) from [<c0030858>] (kernel_thread_exit+0x0/0x8)

Since there is no restrictions for DMA on ep93xx, we can fix this by just
removing the GFP_DMA flag from the call.

Signed-off-by: Mika Westerberg <mika.westerberg@iki.fi>
Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
Acked-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Tested-by: Petr Stetiar <ynezz@true.cz>
Signed-off-by: David S. Miller <davem@davemloft.net>
13 years agonet: ep93xx_eth: allocate buffers using kmalloc()
Mika Westerberg [Sat, 11 Jun 2011 08:39:56 +0000 (08:39 +0000)]
net: ep93xx_eth: allocate buffers using kmalloc()

We can use simply kmalloc() to allocate the buffers. This also simplifies the
code and allows us to perform DMA sync operations more easily.

Memory is allocated with only GFP_KERNEL since there are no DMA allocation
restrictions on this platform.

Signed-off-by: Mika Westerberg <mika.westerberg@iki.fi>
Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
Acked-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Tested-by: Petr Stetiar <ynezz@true.cz>
Signed-off-by: David S. Miller <davem@davemloft.net>
13 years agonet: ep93xx_eth: pass struct device to DMA API functions
Mika Westerberg [Sat, 11 Jun 2011 08:39:55 +0000 (08:39 +0000)]
net: ep93xx_eth: pass struct device to DMA API functions

We shouldn't use NULL for any DMA API functions, unless we are dealing with
ISA or EISA device. So pass correct struct dev pointer to these functions.

Signed-off-by: Mika Westerberg <mika.westerberg@iki.fi>
Signed-off-by: David S. Miller <davem@davemloft.net>
13 years agoep93xx: set DMA masks for the ep93xx_eth
Mika Westerberg [Sat, 11 Jun 2011 08:39:54 +0000 (08:39 +0000)]
ep93xx: set DMA masks for the ep93xx_eth

Since the driver uses the DMA API, we should pass it valid DMA masks.

Signed-off-by: Mika Westerberg <mika.westerberg@iki.fi>
Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
Acked-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Tested-by: Petr Stetiar <ynezz@true.cz>
Signed-off-by: David S. Miller <davem@davemloft.net>
13 years agovlan: Fix the ingress VLAN_FLAG_REORDER_HDR check
Jiri Pirko [Fri, 10 Jun 2011 06:56:58 +0000 (06:56 +0000)]
vlan: Fix the ingress VLAN_FLAG_REORDER_HDR check

Testing of VLAN_FLAG_REORDER_HDR does not belong in vlan_untag
but rather in vlan_do_receive.  Otherwise the vlan header
will not be properly put on the packet in the case of
vlan header accelleration.

As we remove the check from vlan_check_reorder_header
rename it vlan_reorder_header to keep the naming clean.

Fix up the skb->pkt_type early so we don't look at the packet
after adding the vlan tag, which guarantees we don't goof
and look at the wrong field.

Use a simple if statement instead of a complicated switch
statement to decided that we need to increment rx_stats
for a multicast packet.

Hopefully at somepoint we will just declare the case where
VLAN_FLAG_REORDER_HDR is cleared as unsupported and remove
the code.  Until then this keeps it working correctly.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: Jiri Pirko <jpirko@redhat.com>
Acked-by: Changli Gao <xiaosuo@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
13 years agodl2k: EEPROM CRC calculation wrong endianess on bigendian machine
Daniel Hellstrom [Fri, 10 Jun 2011 04:55:16 +0000 (04:55 +0000)]
dl2k: EEPROM CRC calculation wrong endianess on bigendian machine

Signed-off-by: Daniel Hellstrom <daniel@gaisler.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
13 years agoNET: am79c961: fix assembler warnings
Russell King - ARM Linux [Fri, 10 Jun 2011 00:52:35 +0000 (00:52 +0000)]
NET: am79c961: fix assembler warnings

Fix:
/tmp/ccvoZ6h8.s: Assembler messages:
/tmp/ccvoZ6h8.s:284: Warning: register range not in ascending order
/tmp/ccvoZ6h8.s:881: Warning: register range not in ascending order
/tmp/ccvoZ6h8.s:1087: Warning: register range not in ascending order

by ensuring that we have temporary variables placed into specific
registers.  Reorder the code a bit to allow the resulting assembly
to be slightly more optimal.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
13 years agoNET: am79c961: ensure multicast filter is correctly set at open
Russell King - ARM Linux [Fri, 10 Jun 2011 00:52:14 +0000 (00:52 +0000)]
NET: am79c961: ensure multicast filter is correctly set at open

We were clearing out the multicast filter whenever the interface was
upped, and not setting the mode bits correctly.  This can cause
problems if there are any multicast addresses already set at this
point, or if ALLMULTI was set.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
13 years agoNET: am79c961: ensure asm() statements are marked volatile
Russell King - ARM Linux [Fri, 10 Jun 2011 00:51:54 +0000 (00:51 +0000)]
NET: am79c961: ensure asm() statements are marked volatile

Without this the compiler can (and does) optimize register reads away
from within loops, and other such optimizations.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
13 years agolinux/seqlock.h should #include asm/processor.h for cpu_relax()
David Howells [Sat, 11 Jun 2011 11:29:58 +0000 (12:29 +0100)]
linux/seqlock.h should #include asm/processor.h for cpu_relax()

It uses cpu_relax(), and so needs <asm/processor.h>

Without this patch, I see:

   CC      arch/mn10300/kernel/asm-offsets.s
  In file included from include/linux/time.h:8,
                   from include/linux/timex.h:56,
                   from include/linux/sched.h:57,
                   from arch/mn10300/kernel/asm-offsets.c:7:
  include/linux/seqlock.h: In function 'read_seqbegin':
  include/linux/seqlock.h:91: error: implicit declaration of function 'cpu_relax'

whilst building asb2364_defconfig on MN10300.

Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
13 years agoMerge branch 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzi...
Linus Torvalds [Fri, 10 Jun 2011 03:14:21 +0000 (20:14 -0700)]
Merge branch 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev

* 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev:
  libata: fix unexpectedly frozen port after ata_eh_reset()

13 years agoMerge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6
Linus Torvalds [Thu, 9 Jun 2011 23:33:01 +0000 (16:33 -0700)]
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6:
  sparc32, leon: bugfix in LEON SMP interrupt init
  sparc32, sun4m: bugfix in SMP IPI traphandler
  sparc: Remove unnecessary semicolons
  Add support for allocating irqs for bootbus devices
  Do not skip interrupt sources in sun4d interrupt handler and acknowledge interrupts correctly
  Restructure sun4d_build_device_irq so that timer interrupts can be allocated
  sparc: PCIC_PCI needs SPARC32 dependency
  sparc: Do not select GENERIC_HARDIRQS_NO_DEPRECATED
  sparc32,leon: add GRPCI2 PCI Host driver
  sparc32,leon: added LEON-common low-level PCI routines
  sparc32: added CONFIG_PCIC_PCI Kconfig setting

13 years agoMerge branch 'rc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuil...
Linus Torvalds [Thu, 9 Jun 2011 23:27:42 +0000 (16:27 -0700)]
Merge branch 'rc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6

* 'rc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6:
  perf: Use make kernelversion instead of parsing the Makefile
  kbuild: Hack for depmod not handling X.Y versions
  kbuild: Move depmod call to a separate script
  kbuild: Fix <linux/version.h> for empty SUBLEVEL or PATCHLEVEL
  kbuild: Fix KERNELVERSION for empty SUBLEVEL or PATCHLEVEL
  kbuild: silence Nothing to be done for 'all' message

13 years agosparc32, leon: bugfix in LEON SMP interrupt init
Daniel Hellstrom [Thu, 9 Jun 2011 02:54:09 +0000 (02:54 +0000)]
sparc32, leon: bugfix in LEON SMP interrupt init

During converting per-cpu ticker to genirq layer some
IRQ initialization code was removed by commit
2cf9530420e446bb61f665d02afeb81070106900 ("sparc32,leon:
per-cpu ticker use genirq per-cpu handler").

This patch reintroduces the code at the same place it was
removed from. IRQ12 - IRQ14 will crash on LEON SMP without
this patch because it will run the SUN4M IRQ trap handler.

Reported-by: Jan Andersson <jan@gaisler.com>
Signed-off-by: Daniel Hellstrom <daniel@gaisler.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
13 years agosparc32, sun4m: bugfix in SMP IPI traphandler
Daniel Hellstrom [Thu, 9 Jun 2011 02:54:08 +0000 (02:54 +0000)]
sparc32, sun4m: bugfix in SMP IPI traphandler

Three new IPIs were introduced by commit
ecbc42b70acbc6327adefe9635db93fcf62bf59d ("sparc32, sun4m:
Implemented SMP IPIs support for SUN4M machines"), the
old handler was already prepared for IPIs but handled only
IRQ14 and IRQ13, this patch adds support for the new IPI at
IRQ12.

The IPI trap handler looks at the mask rather than the
pending IRQ/IPI, this bug may have masked the problem
above, introduced by the same commit.

Signed-off-by: Daniel Hellstrom <daniel@gaisler.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
13 years agoethtool.h: fix typos
Yegor Yefremov [Thu, 9 Jun 2011 22:05:48 +0000 (15:05 -0700)]
ethtool.h: fix typos

Signed-off-by: Yegor Yefremov <yegorslists@googlemail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
13 years agoep93xx_eth: Update MAINTAINERS
H Hartley Sweeten [Thu, 9 Jun 2011 22:00:21 +0000 (15:00 -0700)]
ep93xx_eth: Update MAINTAINERS

Lennert stated that he has been short on time lately. Since I'm maintaining
the ep93xx core stuff, I'm willing to also take over maintaining the Ethernet
driver.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Acked-by: Mika Westerberg <mika.westerberg@iki.fi>
Acked-by: Lennert Buytenhek <kernel@wantstofly.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
13 years agoipv4: Fix packet size calculation for raw IPsec packets in __ip_append_data
Steffen Klassert [Sun, 5 Jun 2011 20:48:47 +0000 (20:48 +0000)]
ipv4: Fix packet size calculation for raw IPsec packets in __ip_append_data

We assume that transhdrlen is positive on the first fragment
which is wrong for raw packets. So we don't add exthdrlen to the
packet size for raw packets. This leads to a reallocation on IPsec
because we have not enough headroom on the skb to place the IPsec
headers. This patch fixes this by adding exthdrlen to the packet
size whenever the send queue of the socket is empty. This issue was
introduced with git commit 1470ddf7 (inet: Remove explicit write
references to sk/inet in ip_append_data)

Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
13 years agoperf: Use make kernelversion instead of parsing the Makefile
Michal Marek [Mon, 30 May 2011 12:12:09 +0000 (14:12 +0200)]
perf: Use make kernelversion instead of parsing the Makefile

Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
Signed-off-by: Michal Marek <mmarek@suse.cz>
13 years agokbuild: Hack for depmod not handling X.Y versions
Michal Marek [Thu, 9 Jun 2011 14:35:41 +0000 (16:35 +0200)]
kbuild: Hack for depmod not handling X.Y versions

depmod from module-init-tools < 3.13 and the busybox depmod check if the
kernel release starts with <num>.<num>.<num>. To support these versions,
we create a symlink with two numbers prepended.

Signed-off-by: Michal Marek <mmarek@suse.cz>
13 years agokbuild: Move depmod call to a separate script
Michal Marek [Thu, 9 Jun 2011 13:35:22 +0000 (15:35 +0200)]
kbuild: Move depmod call to a separate script

Do not bloat the Makefile with multiline shell statements. No
user-visible change intended.

Signed-off-by: Michal Marek <mmarek@suse.cz>
13 years agokbuild: Fix <linux/version.h> for empty SUBLEVEL or PATCHLEVEL
Michal Marek [Mon, 30 May 2011 11:37:20 +0000 (13:37 +0200)]
kbuild: Fix <linux/version.h> for empty SUBLEVEL or PATCHLEVEL

expr treats all numbers as decimals, so prepending a zero is safe. Note
that the KERNEL_VERSION() macro still takes three arguments, 3.0 has to be
written as KERNEL_VERSION(3,0,0).

Signed-off-by: Michal Marek <mmarek@suse.cz>
13 years agokbuild: Fix KERNELVERSION for empty SUBLEVEL or PATCHLEVEL
Michal Marek [Mon, 30 May 2011 11:36:07 +0000 (13:36 +0200)]
kbuild: Fix KERNELVERSION for empty SUBLEVEL or PATCHLEVEL

Omit the second dot for releases without SUBLEVEL. If PATCHLEVEL is also
empty, only display VERSION.

Signed-off-by: Michal Marek <mmarek@suse.cz>
13 years agoMerge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
Linus Torvalds [Thu, 9 Jun 2011 20:50:25 +0000 (13:50 -0700)]
Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc

* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc:
  powerpc: Force page alignment for initrd reserved memory
  dtc/powerpc: remove obsolete .gitignore entries
  powerpc/85xx: fix race bug of calling request_irq after enable elbc interrupts
  powerpc/book3e: Fix CPU feature handling on e5500 in 32-bit mode
  powerpc/fsl_rio: Fix compile error when CONFIG_FSL_RIO not set

13 years agoMerge branch 'staging-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh...
Linus Torvalds [Thu, 9 Jun 2011 20:09:07 +0000 (13:09 -0700)]
Merge branch 'staging-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging-2.6

* 'staging-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging-2.6:
  staging: iio: max517: Fix iio_info changes
  Staging: mei: fix debug code
  Staging: cx23885: fix include of altera.h
  staging: iio: error case memory leak fix
  staging: ath6kl: Fix a kernel panic during suspend/resume
  staging: gma500: get control from firmware framebuffer if conflicts
  staging: gma500: Skip bogus LVDS VBT mode and check for LVDS before adding backlight
  staging: usbip: bugfix prevent driver unbind
  staging: iio: industrialio-trigger: set iio_poll_func private_data
  staging: rts_pstor: use bitwise operator instead of logical one
  staging: fix ath6kl build when CFG80211 is not enabled
  staging: brcm80211: fix for 'multiple definition of wl_msg_level' build err
  staging: fix olpc_dcon build, needs BACKLIGHT_CLASS_DEVICE
  Staging: remove STAGING_EXCLUDE_BUILD option
  Staging: altera: move .h file to proper place

13 years agoMerge branch 'stable/xen-swiotlb.bugfix' of git://git.kernel.org/pub/scm/linux/kernel...
Linus Torvalds [Thu, 9 Jun 2011 19:52:44 +0000 (12:52 -0700)]
Merge branch 'stable/xen-swiotlb.bugfix' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/swiotlb-2.6

* 'stable/xen-swiotlb.bugfix' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/swiotlb-2.6:
  swiotlb: Export swioltb_nr_tbl and utilize it as appropiate.

13 years agoMerge branch 'stable/broadcom.ibft-bugfixes' of git://git.kernel.org/pub/scm/linux...
Linus Torvalds [Thu, 9 Jun 2011 19:52:30 +0000 (12:52 -0700)]
Merge branch 'stable/broadcom.ibft-bugfixes' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/ibft-2.6

* 'stable/broadcom.ibft-bugfixes' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/ibft-2.6:
  iscsi_ibft: iscsi_ibft_find unused variable i

13 years agoMerge branch 'unicore32' of git://git.kernel.org/pub/scm/linux/kernel/git/epip/linux...
Linus Torvalds [Thu, 9 Jun 2011 19:52:05 +0000 (12:52 -0700)]
Merge branch 'unicore32' of git://git.kernel.org/pub/scm/linux/kernel/git/epip/linux-2.6-unicore32

* 'unicore32' of git://git.kernel.org/pub/scm/linux/kernel/git/epip/linux-2.6-unicore32:
  unicore32: using generic-y format for one line asm-generic files
  unicore32: change PERCPU to PERCPU_SECTION
  unicore32: add KBUILD_DEFCONFIG with unicore32_defconfig (old debug_defconfig)
  unicore32: change zImage physical address, though it's PIC codes
  unicore32: move rtc-puv3.c to drivers/rtc directory

13 years agovsprintf: Update %pI6c to not compress a single 0
Joe Perches [Thu, 9 Jun 2011 18:23:37 +0000 (11:23 -0700)]
vsprintf: Update %pI6c to not compress a single 0

RFC 5952 (http://tools.ietf.org/html/rfc5952) mandates that 2 or more
consecutive 0's are required before using :: compression.

Update ip6_compressed_string to match the RFC and update the http
reference as well.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
13 years agoexec: delay address limit change until point of no return
Mathias Krause [Thu, 9 Jun 2011 18:05:18 +0000 (20:05 +0200)]
exec: delay address limit change until point of no return

Unconditionally changing the address limit to USER_DS and not restoring
it to its old value in the error path is wrong because it prevents us
using kernel memory on repeated calls to this function.  This, in fact,
breaks the fallback of hard coded paths to the init program from being
ever successful if the first candidate fails to load.

With this patch applied switching to USER_DS is delayed until the point
of no return is reached which makes it possible to have a multi-arch
rootfs with one arch specific init binary for each of the (hard coded)
probed paths.

Since the address limit is already set to USER_DS when start_thread()
will be invoked, this redundancy can be safely removed.

Signed-off-by: Mathias Krause <minipli@googlemail.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: stable@kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
13 years agoMerge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wirel...
John W. Linville [Thu, 9 Jun 2011 18:23:30 +0000 (14:23 -0400)]
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6 into for-davem

13 years agostaging: iio: max517: Fix iio_info changes
Roland Stigge [Thu, 9 Jun 2011 14:21:00 +0000 (16:21 +0200)]
staging: iio: max517: Fix iio_info changes

struct iio_info introduced a bug where the second channel of a MAX518 can't be
used. This commit fixes the typo (using max518 instead of the max517 struct).

Signed-off-by: Roland Stigge <stigge@antcom.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
13 years agoStaging: mei: fix debug code
Dan Carpenter [Thu, 9 Jun 2011 07:18:23 +0000 (10:18 +0300)]
Staging: mei: fix debug code

! has higher precedence than !=.  H_RDY is 8 and since neither 0 nor
1 are equal to 8 the original condition was always true.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Acked-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
13 years agoiscsi_ibft: iscsi_ibft_find unused variable i
Connor Hansen [Sun, 5 Jun 2011 10:35:09 +0000 (03:35 -0700)]
iscsi_ibft: iscsi_ibft_find unused variable i

int i is only needed if CONFIG_ACPI is set
so move it within a new ifdef so kernels without ACPI
don't allocate space for nothing. Fixes warning too.

Signed-off-by: Connor Hansen <cmdkhh@gmail.com>
Signed-off-by: Peter Jones <pjones@redhat.com>
[v2: Fixed warning when CONFIG_ACPI was defined]
Signed-off-by: Konrad Rzeszutek Wilk <konrad@kernel.org>
13 years agokbuild: silence Nothing to be done for 'all' message
Peter Foley [Thu, 9 Jun 2011 00:58:32 +0000 (20:58 -0400)]
kbuild: silence Nothing to be done for 'all' message

This patch silences a Makefile.asm-generic message
by defining a dummy rule for all.

make -f /usr/src/git/scripts/Makefile.asm-generic \
            obj=arch/x86/include/generated/asm
make[1]: Nothing to be done for `all'.

Signed-off-by: Peter Foley <pefoley2@verizon.net>
Signed-off-by: Michal Marek <mmarek@suse.cz>
13 years agounicore32: using generic-y format for one line asm-generic files
Guan Xuetao [Thu, 26 May 2011 10:17:43 +0000 (18:17 +0800)]
unicore32: using generic-y format for one line asm-generic files

The patch adds one-line asm-generic files in arch/unicore32/include/asm/Kbuild
Also, remove the old implementation in arch/unicore32/Makefile
see commit from Sam Ravnborg <d8ecc5cd8e227bc318513b5306ae88a474b8886d>
  kbuild: asm-generic support

Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn>
Acked-by: Arnd Bergmann <arnd@arndb.de>
13 years agounicore32: change PERCPU to PERCPU_SECTION
Guan Xuetao [Thu, 26 May 2011 09:19:20 +0000 (17:19 +0800)]
unicore32: change PERCPU to PERCPU_SECTION

The patch changes PERCPU to PERCPU_SECTION
see commit from Tejun Heo <0415b00d175e0d8945e6785aad21b5f157976ce0>
  percpu: Always align percpu output section to PAGE_SIZE

Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn>
Acked-by: Tejun Heo <tj@kernel.org>
13 years agounicore32: add KBUILD_DEFCONFIG with unicore32_defconfig (old debug_defconfig)
Guan Xuetao [Mon, 16 May 2011 07:28:19 +0000 (15:28 +0800)]
unicore32: add KBUILD_DEFCONFIG with unicore32_defconfig (old debug_defconfig)

Rename debug_defconfig to unicore32_defconfig, which is a minimal config for
PKUnity-v3 (130nm) SoC board.
Also, add KBUILD_DEFCONFIG to use 'make defconfig'.

Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn>
Acked-by: Arnd Bergmann <arnd@arndb.de>
13 years agounicore32: change zImage physical address, though it's PIC codes
Guan Xuetao [Wed, 20 Apr 2011 11:06:53 +0000 (19:06 +0800)]
unicore32: change zImage physical address, though it's PIC codes

U-boot will load the kernel image to 48M physical memory address.
The patch changes it to the correct address, though it's PIC codes.

Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn>
Acked-by: Arnd Bergmann <arnd@arndb.de>
13 years agounicore32: move rtc-puv3.c to drivers/rtc directory
Guan Xuetao [Thu, 26 May 2011 08:43:27 +0000 (16:43 +0800)]
unicore32: move rtc-puv3.c to drivers/rtc directory

The patch moves rtc driver for PKUnity-v3 SoC from arch/unicore32/kernel/
to drivers/rtc/, with renaming it to rtc-puv3.c.
Also, Kconfig, Makefile, and MAINTAINERS are modified correspondingly.

Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn>
Acked-by: Arnd Bergmann <arnd@arndb.de>
13 years agonetpoll: prevent netpoll setup on slave devices
WANG Cong [Thu, 9 Jun 2011 07:28:13 +0000 (00:28 -0700)]
netpoll: prevent netpoll setup on slave devices

In commit 8d8fc29d02a33e4bd5f4fa47823c1fd386346093
(netpoll: disable netpoll when enslave a device), we automatically
disable netpoll when the underlying device is being enslaved,
we also need to prevent people from setuping netpoll on
devices that are already enslaved.

Signed-off-by: WANG Cong <amwang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
13 years agonet: pmtu_expires fixes
Eric Dumazet [Wed, 8 Jun 2011 06:07:07 +0000 (06:07 +0000)]
net: pmtu_expires fixes

commit 2c8cec5c10bc (ipv4: Cache learned PMTU information in inetpeer)
added some racy peer->pmtu_expires accesses.

As its value can be changed by another cpu/thread, we should be more
careful, reading its value once.

Add peer_pmtu_expired() and peer_pmtu_cleaned() helpers

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
13 years agogianfar:localized filer table
Wu Jiajun-B06378 [Tue, 7 Jun 2011 21:46:51 +0000 (21:46 +0000)]
gianfar:localized filer table

Each eTSEC device should own localized filer table.

Signed-off-by: Jiajun Wu <b06378@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
13 years agopowerpc: Force page alignment for initrd reserved memory
Benjamin Herrenschmidt [Thu, 9 Jun 2011 06:52:38 +0000 (16:52 +1000)]
powerpc: Force page alignment for initrd reserved memory

When using 64K pages with a separate cpio rootfs, U-Boot will align
the rootfs on a 4K page boundary. When the memory is reserved, and
subsequent early memblock_alloc is called, it will allocate memory
between the 64K page alignment and reserved memory. When the reserved
memory is subsequently freed, it is done so by pages, causing the
early memblock_alloc requests to be re-used, which in my case, caused
the device-tree to be clobbered.

This patch forces the reserved memory for initrd to be kernel page
aligned, and will move the device tree if it overlaps with the range
extension of initrd. This patch will also consolidate the identical
function free_initrd_mem() from mm/init_32.c, init_64.c to mm/mem.c,
and adds the same range extension when freeing initrd. free_initrd_mem()
is also moved to the __init section.

Many thanks to Milton Miller for his input on this patch.

[BenH: Fixed build without CONFIG_BLK_DEV_INITRD]

Signed-off-by: Dave Carroll <dcarroll@astekcorp.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
13 years agoMerge remote branch 'kumar/merge' into merge
Benjamin Herrenschmidt [Thu, 9 Jun 2011 04:46:32 +0000 (14:46 +1000)]
Merge remote branch 'kumar/merge' into merge

13 years agoMerge remote branch 'gcl/powerpc/merge' into merge
Benjamin Herrenschmidt [Thu, 9 Jun 2011 04:46:12 +0000 (14:46 +1000)]
Merge remote branch 'gcl/powerpc/merge' into merge

13 years agoAppArmor: Fix sleep in invalid context from task_setrlimit
John Johansen [Wed, 8 Jun 2011 22:07:47 +0000 (15:07 -0700)]
AppArmor: Fix sleep in invalid context from task_setrlimit

Affected kernels 2.6.36 - 3.0

AppArmor may do a GFP_KERNEL memory allocation with task_lock(tsk->group_leader);
held when called from security_task_setrlimit.  This will only occur when the
task's current policy has been replaced, and the task's creds have not been
updated before entering the LSM security_task_setrlimit() hook.

BUG: sleeping function called from invalid context at mm/slub.c:847
 in_atomic(): 1, irqs_disabled(): 0, pid: 1583, name: cupsd
 2 locks held by cupsd/1583:
  #0:  (tasklist_lock){.+.+.+}, at: [<ffffffff8104dafa>] do_prlimit+0x61/0x189
  #1:  (&(&p->alloc_lock)->rlock){+.+.+.}, at: [<ffffffff8104db2d>]
do_prlimit+0x94/0x189
 Pid: 1583, comm: cupsd Not tainted 3.0.0-rc2-git1 #7
 Call Trace:
  [<ffffffff8102ebf2>] __might_sleep+0x10d/0x112
  [<ffffffff810e6f46>] slab_pre_alloc_hook.isra.49+0x2d/0x33
  [<ffffffff810e7bc4>] kmem_cache_alloc+0x22/0x132
  [<ffffffff8105b6e6>] prepare_creds+0x35/0xe4
  [<ffffffff811c0675>] aa_replace_current_profile+0x35/0xb2
  [<ffffffff811c4d2d>] aa_current_profile+0x45/0x4c
  [<ffffffff811c4d4d>] apparmor_task_setrlimit+0x19/0x3a
  [<ffffffff811beaa5>] security_task_setrlimit+0x11/0x13
  [<ffffffff8104db6b>] do_prlimit+0xd2/0x189
  [<ffffffff8104dea9>] sys_setrlimit+0x3b/0x48
  [<ffffffff814062bb>] system_call_fastpath+0x16/0x1b

Signed-off-by: John Johansen <john.johansen@canonical.com>
Reported-by: Miles Lane <miles.lane@gmail.com>
Cc: stable@kernel.org
Signed-off-by: James Morris <jmorris@namei.org>
13 years agodtc/powerpc: remove obsolete .gitignore entries
Wolfram Sang [Sat, 12 Mar 2011 16:44:10 +0000 (17:44 +0100)]
dtc/powerpc: remove obsolete .gitignore entries

dtc was moved and .gitignores have been added to the new location. So, we can
delete the old, forgotten ones.

Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
13 years agoMerge branch 'pm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/suspe...
Linus Torvalds [Wed, 8 Jun 2011 22:58:51 +0000 (15:58 -0700)]
Merge branch 'pm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/suspend-2.6

* 'pm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/suspend-2.6:
  PM / Runtime: Fix loops in pm_runtime_clk_notify()
  PM / Intel IOMMU: Fix init_iommu_pm_ops() for CONFIG_PM unset

13 years agovfs: reorganize 'struct inode' layout a bit
Linus Torvalds [Wed, 8 Jun 2011 22:18:19 +0000 (15:18 -0700)]
vfs: reorganize 'struct inode' layout a bit

This tries to make the 'struct inode' accesses denser in the data cache
by moving a commonly accessed field (i_security) closer to other fields
that are accessed often.

It also makes 'i_state' just an 'unsigned int' rather than 'unsigned
long', since we only use a few bits of that field, and moves it next to
the existing 'i_flags' so that we potentially get better structure
layout (although depending on config options, i_flags may already have
packed in the same word as i_lock, so this improves packing only for the
case of spinlock debugging)

Out 'struct inode' is still way too big, and we should probably move
some other fields around too (the acl fields in particular) for better
data cache access density.  Other fields (like the inode hash) are
likely to be entirely irrelevant under most loads.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
13 years agoselinux: simplify and clean up inode_has_perm()
Linus Torvalds [Wed, 8 Jun 2011 22:11:56 +0000 (15:11 -0700)]
selinux: simplify and clean up inode_has_perm()

This is a rather hot function that is called with a potentially NULL
"struct common_audit_data" pointer argument.  And in that case it has to
provide and initialize its own dummy common_audit_data structure.

However, all the _common_ cases already pass it a real audit-data
structure, so that uncommon NULL case not only creates a silly run-time
test, more importantly it causes that function to have a big stack frame
for the dummy variable that isn't even used in the common case!

So get rid of that stupid run-time behavior, and make the (few)
functions that currently call with a NULL pointer just call a new helper
function instead (naturally called inode_has_perm_noapd(), since it has
no adp argument).

This makes the run-time test be a static code generation issue instead,
and allows for a much denser stack since none of the common callers need
the dummy structure.  And a denser stack not only means less stack space
usage, it means better cache behavior.  So we have a win-win-win from
this simplification: less code executed, smaller stack footprint, and
better cache behavior.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
13 years agoMerge branch 'usb-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh...
Linus Torvalds [Wed, 8 Jun 2011 21:27:48 +0000 (14:27 -0700)]
Merge branch 'usb-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6

* 'usb-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6: (28 commits)
  MAINTAINERS: add a maintainer to Gadget Framework
  USB: serial: add another 4N-GALAXY.DE PID to ftdi_sio driver
  Revert "USB: option: add ID for ZTE MF 330"
  drivers/usb/host/ohci-pxa27x.c: add missing clk_put
  USB: CONFIG_USB_GADGET_DUALSPEED is not user-configurable
  USB: dummy-hcd needs the has_tt flag
  usb-storage: redo incorrect reads
  usb/renesas_usbhs: free uep on removal
  usb/s3c-hsudc: fix error path
  usb/pxa25x_udc: cleanup the LUBBOCK err path
  usb/mv_udc_core: fix compile
  usb: gadget: include <linux/prefetch.h> to fix compiling error
  USB: s3c-hsotg: Tone down debugging
  usb: remove bad dput after dentry_unhash
  USB: core: Tolerate protocol stall during hub and port status read
  musb: fix prefetch build failure
  USB: cdc-acm: Adding second ACM channel support for Nokia E7 and C7
  usb-gadget: unlock data->lock mutex on error path in ep_write()
  USB: option Add blacklist for ZTE K3765-Z (19d2:2002)
  option: add Prolink PH300 modem IDs
  ...

13 years agoMAINTAINERS: add a maintainer to Gadget Framework
Felipe Balbi [Wed, 8 Jun 2011 16:16:28 +0000 (19:16 +0300)]
MAINTAINERS: add a maintainer to Gadget Framework

I'll be continuing the amazing work Dave has
done with the Gadget Framework.

Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
13 years agoMerge branch 'spi/merge' of git://git.secretlab.ca/git/linux-2.6
Linus Torvalds [Wed, 8 Jun 2011 20:54:46 +0000 (13:54 -0700)]
Merge branch 'spi/merge' of git://git.secretlab.ca/git/linux-2.6

* 'spi/merge' of git://git.secretlab.ca/git/linux-2.6:
  spi/rtc-m41t93: Use spi_get_drvdata() for SPI devices
  spi/omap2: fix uninitialized variable

13 years agoMerge git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6
Linus Torvalds [Wed, 8 Jun 2011 20:54:29 +0000 (13:54 -0700)]
Merge git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6:
  cifs: trivial: add space in fsc error message
  cifs: silence printk when establishing first session on socket
  CIFS ACL support needs CONFIG_KEYS, so depend on it
  possible memory corruption in cifs_parse_mount_options()
  cifs: make CIFS depend on CRYPTO_ECB
  cifs: fix the kernel release version in the default security warning message

13 years agoMerge 3.0-rc2 + Linus's latest into usb-linus
Greg Kroah-Hartman [Wed, 8 Jun 2011 20:50:00 +0000 (13:50 -0700)]
Merge 3.0-rc2 + Linus's latest into usb-linus

This is needed to get the following MAINTAINERS patch to apply properly.

Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
13 years agoUSB: serial: add another 4N-GALAXY.DE PID to ftdi_sio driver
Steffen Sledz [Tue, 7 Jun 2011 12:01:56 +0000 (14:01 +0200)]
USB: serial: add another 4N-GALAXY.DE PID to ftdi_sio driver

E.g. newer CAN 2.0 A/B <=> USB 2.0 converters report idProduct=f3c2.

Signed-off-by: Steffen Sledz <sledz@dresearch-fe.de>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
13 years agospi/rtc-m41t93: Use spi_get_drvdata() for SPI devices
Geert Uytterhoeven [Wed, 8 Jun 2011 19:48:03 +0000 (21:48 +0200)]
spi/rtc-m41t93: Use spi_get_drvdata() for SPI devices

One new offender detected by the recently increased type checking in
platform_get_drvdata():

drivers/rtc/rtc-m41t93.c: In function â€˜m41t93_remove’:
drivers/rtc/rtc-m41t93.c:192: warning: passing argument 1 of â€˜platform_get_drvdata’ from incompatible pointer type

Use spi_get_drvdata() instead of platform_get_drvdata(), cfr. commit
42fea15d6dc410e62dac6a764142045280624a5b ("spi/rtc-{ds1390,ds3234,m41t94}:
Use spi_get_drvdata() for SPI devices")

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
13 years agoMerge branch 'stable/bug.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git...
Linus Torvalds [Wed, 8 Jun 2011 19:03:37 +0000 (12:03 -0700)]
Merge branch 'stable/bug.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen

* 'stable/bug.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen:
  xen: off by one errors in multicalls.c
  xen: use the trigger info we already have to choose the irq handler

13 years agoiwlegacy: fix channel switch locking
Stanislaw Gruszka [Wed, 8 Jun 2011 13:26:31 +0000 (15:26 +0200)]
iwlegacy: fix channel switch locking

We use priv->mutex to avoid race conditions between chswitch_done()
and mac_channel_switch(), when marking channel switch in
progress. But chswitch_done() can be called in atomic context
from rx_csa() or with mutex already taken from commit_rxon().

To fix remove mutex from chswitch_done() and use atomic bitops
for marking channel switch pending.

Cc: stable@kernel.org # 2.6.39+
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
13 years agomac80211: fix IBSS teardown race
Johannes Berg [Wed, 8 Jun 2011 11:27:29 +0000 (13:27 +0200)]
mac80211: fix IBSS teardown race

Ignacy reports that sometimes after leaving an IBSS
joining a new one didn't work because there still
were stations on the list. He fixed it by flushing
stations when attempting to join a new IBSS, but
this shouldn't be happening in the first case. When
I looked into it I saw a race condition in teardown
that could cause stations to be added after flush,
and thus cause this situation. Ignacy confirms that
after applying my patch he hasn't seen this happen
again.

Reported-by: Ignacy Gawedzki <i@lri.fr>
Debugged-by: Ignacy Gawedzki <i@lri.fr>
Tested-by: Ignacy Gawedzki <i@lri.fr>
Cc: stable@kernel.org
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
13 years agoiwlagn: send tx power command if defer cause by RXON not match
Wey-Yi Guy [Fri, 27 May 2011 15:40:24 +0000 (08:40 -0700)]
iwlagn: send tx power command if defer cause by RXON not match

During channge channel, tx power will not send to uCode, the tx power command
should send after scan complete. but should also can send after RXON command.

Stable fix identified by Stanislaw Gruszka <sgruszka@redhat.com>.

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Cc: stable@kernel.org [2.6.38+]
Signed-off-by: John W. Linville <linville@tuxdriver.com>
13 years agoStaging: cx23885: fix include of altera.h
Greg Kroah-Hartman [Wed, 8 Jun 2011 16:18:32 +0000 (09:18 -0700)]
Staging: cx23885: fix include of altera.h

The cx23885 driver was including staging/altera.h, but that file has
moved back into the driver directory.

Why a non-staging driver was including a staging driver is beyond me,
but this fixes the build so everything is happy for now.

For the record, it's not ok for a non-staging driver to depend on a
staging one, as that implies that the non-staging one should also be in
the staging tree if that's needed.

Cc: Igor M. Liplianin <liplianin@netup.ru>
Cc: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
13 years agocifs: trivial: add space in fsc error message
Jeff Layton [Wed, 8 Jun 2011 11:35:24 +0000 (07:35 -0400)]
cifs: trivial: add space in fsc error message

Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>
13 years agoMerge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
Linus Torvalds [Wed, 8 Jun 2011 15:36:15 +0000 (08:36 -0700)]
Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip

* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  perf: Fix comments in include/linux/perf_event.h
  perf: Comment /proc/sys/kernel/perf_event_paranoid to be part of user ABI
  perf python: Fix argument name list of read_on_cpu()
  perf evlist: Don't die if sample_{id_all|type} is invalid
  perf python: Use exception to propagate errors
  perf evlist: Remove dependency on debug routines
  perf, cgroups: Fix up for new API

13 years agoMerge branch 'gpio/merge' of git://git.secretlab.ca/git/linux-2.6
Linus Torvalds [Wed, 8 Jun 2011 15:22:29 +0000 (08:22 -0700)]
Merge branch 'gpio/merge' of git://git.secretlab.ca/git/linux-2.6

* 'gpio/merge' of git://git.secretlab.ca/git/linux-2.6:
  gpio/samsung: make Kconfig options def_bool
  gpio/exynos4: Fix incorrect mapping of gpio pull-up macro to register setting
  GPIO: OMAP: add locking around calls to _set_gpio_triggering
  GPIO: OMAP: fix setting IRQWAKEN bits for OMAP4
  GPIO: OMAP: fix section mismatch warnings
  gpio: Fix gpio-exynos4 build fails in mainline

13 years agoMerge branch 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab...
Linus Torvalds [Wed, 8 Jun 2011 15:21:48 +0000 (08:21 -0700)]
Merge branch 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6

* 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6:
  [media] soc_camera: preserve const attribute
  [media] uvc_entity: initialize return value
  [media] media: Fix media device minor registration
  [media] Make nchg variable signed because the code compares this variable against negative values
  [media] omap3isp: fix compiler warning
  [media] v4l: Fix media_entity_to_video_device macro argument name
  [media] ivtv: Internally separate encoder & decoder standard setting
  [media] ivtvfb: Add sanity check to ivtvfb_pan_display()
  [media] ivtvfb: use display information in info not in var for panning
  [media] ivtv: Make two ivtv_msleep_timeout calls uninterruptable
  [media] anysee: return EOPNOTSUPP for unsupported I2C messages
  [media] gspca - ov519: Set the default frame rate to 15 fps
  [media] gspca - stv06xx: Set a lower default value of gain for hdcs sensors
  [media] gspca: Remove coarse_expo_autogain.h
  [media] gspca - ov519: Change the ovfx2 bulk transfer size
  [media] gspca - ov519: Fix a regression for ovfx2 webcams

13 years agoMerge branch 'drm-radeon-urgent' of git://git.kernel.org/pub/scm/linux/kernel/git...
Linus Torvalds [Wed, 8 Jun 2011 15:19:14 +0000 (08:19 -0700)]
Merge branch 'drm-radeon-urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6

* 'drm-radeon-urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6:
  drm/radeon/kms: disable hdmi audio by default
  drm/radeon/kms: fix for radeon on systems >4GB without hardware iommu
  drm/radeon/kms: set family for use in parser.

13 years agoMerge branch 'for_3.0/gpio-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git...
Grant Likely [Wed, 8 Jun 2011 15:12:16 +0000 (09:12 -0600)]
Merge branch 'for_3.0/gpio-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-omap-pm into gpio/merge

13 years agotty_buffer: get rid of 'seen_tail' logic in flush_to_ldisc
Linus Torvalds [Wed, 8 Jun 2011 14:46:30 +0000 (07:46 -0700)]
tty_buffer: get rid of 'seen_tail' logic in flush_to_ldisc

The flush_to_ldisc() work entry has special logic to notice when it has
seen the original tail of the data queue, and it avoids continuing the
flush if it sees that _original_ tail rather than the current tail.

This logic can trigger in case somebody is constantly adding new data to
the tty while the flushing is active - and the intent is to avoid
excessive CPU usage while flushing the tty, especially as we used to do
this from a softirq context which made it non-preemptible.

However, since we no longer re-arm the work-queue from within itself
(because that causes other trouble: see commit a5660b41af6a "tty: fix
endless work loop when the buffer fills up"), this just leads to
possible hung tty's (most easily seen in SMP and with a test-program
that floods a pty with data - nobody seems to have reported this for any
real-life situation yet).

And since the workqueue isn't done from timers and softirq's any more,
it's doubtful whether the CPU useage issue is really relevant any more.
So just remove the logic entirely, and see if anybody ever notices.

Alternatively, we might want to re-introduce the "re-arm the work" for
just this case, but then we'd have to re-introduce the delayed work
model or some explicit timer, which really doesn't seem worth it for
this.

Reported-and-tested-by: Guillaume Chazarain <guichaz@gmail.com>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Felipe Balbi <balbi@ti.com>
Cc: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
13 years agodrm/radeon/kms: disable hdmi audio by default
Alex Deucher [Mon, 6 Jun 2011 21:39:16 +0000 (17:39 -0400)]
drm/radeon/kms: disable hdmi audio by default

The current RE'd code causes blank screens and
display problems on a lot of systems.  So disable
it by default for now.  It can still be enabled
by setting the audio parameter to 1.  E.g.:
radeon.audio=1

Fixes:
https://bugs.freedesktop.org/show_bug.cgi?id=38010
https://bugs.freedesktop.org/show_bug.cgi?id=27731
https://bugs.freedesktop.org/show_bug.cgi?id=35970
https://bugs.freedesktop.org/show_bug.cgi?id=26195
and many other reported problems.

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
13 years agodrm/radeon/kms: fix for radeon on systems >4GB without hardware iommu
Daniel Haid [Wed, 8 Jun 2011 10:04:45 +0000 (20:04 +1000)]
drm/radeon/kms: fix for radeon on systems >4GB without hardware iommu

On my x86_64 system with >4GB of ram and swiotlb instead of
a hardware iommu (because I have a VIA chipset), the call
to pci_set_dma_mask (see below) with 40bits returns an error.

But it seems that the radeon driver is designed to have
need_dma32 = true exactly if pci_set_dma_mask is called
with 32 bits and false if it is called with 40 bits.

I have read somewhere that the default are 32 bits. So if the
call fails I suppose that need_dma32 should be set to true.

And indeed the patch fixes the problem I have had before
and which I had described here:
http://choon.net/forum/read.php?21,106131,115940

Acked-by: Alex Deucher <alexdeucher@gmail.com>
cc: stable@kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
13 years agodrm/radeon/kms: set family for use in parser.
Dave Airlie [Wed, 8 Jun 2011 09:58:29 +0000 (19:58 +1000)]
drm/radeon/kms: set family for use in parser.

Wierdly the kms parser never initialised the family, it wasn't really used
much, but the fmt checker patch started using it and it fell over.

Reported-by: Markus Trippelsdorf <markus@trippelsdorf.de>
Signed-off-by: Dave Airlie <airlied@redhat.com>
13 years agoxfrm: Fix off by one in the replay advance functions
Steffen Klassert [Sun, 5 Jun 2011 20:46:03 +0000 (20:46 +0000)]
xfrm: Fix off by one in the replay advance functions

We may write 4 byte too much when we reinitialize the anti replay
window in the replay advance functions. This patch fixes this by
adjusting the last index of the initialization loop.

Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
13 years agoMerge branch 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
Linus Torvalds [Wed, 8 Jun 2011 02:21:11 +0000 (19:21 -0700)]
Merge branch 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip

* 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  genirq: Ensure we locate the passed IRQ in irq_alloc_descs()
  genirq: Fix descriptor init on non-sparse IRQs
  irq: Handle spurios irq detection for threaded irqs
  genirq: Print threaded handler in spurious debug output

13 years agoMerge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
Linus Torvalds [Wed, 8 Jun 2011 02:20:53 +0000 (19:20 -0700)]
Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip

* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  x86/amd-iommu: Fix boot crash with hidden PCI devices
  x86/amd-iommu: Use only per-device dma_ops
  x86/amd-iommu: Fix 3 possible endless loops

13 years agoMerge branch 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
Linus Torvalds [Wed, 8 Jun 2011 02:20:28 +0000 (19:20 -0700)]
Merge branch 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip

* 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  sched: Fix/clarify set_task_cpu() locking rules
  lockdep: Fix lock_is_held() on recursion
  sched: Fix schedstat.nr_wakeups_migrate
  sched: Fix cross-cpu clock sync on remote wakeups

13 years agoMerge branch 'drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied...
Linus Torvalds [Wed, 8 Jun 2011 02:09:26 +0000 (19:09 -0700)]
Merge branch 'drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6

* 'drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6:
  drm/nv40: fall back to paged dma object for the moment
  drm/nouveau: fix leak of gart mm node
  drm/nouveau: fix vram page mapping when crossing page table boundaries
  drm/nv17-nv40: Fix modesetting failure when pitch == 4096px (fdo bug 35901).
  drm/nouveau: don't create accel engine objects when noaccel=1
  drm/nvc0: recognise 0xdX chipsets as NV_C0
  drm/i915: Add a no lvds quirk for the Asus EeeBox PC EB1007
  drm/i915: Share the common force-audio property between connectors
  drm/i915: Remove unused enum "chip_family"
  drm/915: fix relaxed tiling on gen2: tile height
  drm/i915/crt: Explicitly return false if connected to a digital monitor
  drm/i915: Replace ironlake_compute_wm0 with g4x_compute_wm0
  drm/i915: Only print out the actual number of fences for i915_error_state
  drm/i915: s/addr & ~PAGE_MASK/offset_in_page(addr)/
  drm: i915: correct return status in intel_hdmi_mode_valid()
  drm/i915: fix regression after clock gating init split
  drm/i915: fix if statement in ivybridge irq handler

13 years agoMerge branch 'drm-radeon-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git...
Linus Torvalds [Wed, 8 Jun 2011 02:09:17 +0000 (19:09 -0700)]
Merge branch 'drm-radeon-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6

* 'drm-radeon-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6:
  drm/radeon/kms/atom: fix PHY init
  drm/radeon/kms: add missing Evergreen texture formats to the CS parser
  drm/radeon/kms: viewport height has to be even
  drm/radeon/kms: remove duplicate reg from r600 safe regs
  drm/radeon/kms: add support for Llano Fusion APUs
  drm/radeon/kms: add llano pci ids
  drm/radeon/kms: fill in asic struct for llano
  drm/radeon/kms: add family ids for llano APUs
  drm/radeon: fix oops in ttm reserve when pageflipping (v2)
  drm/radeon/kms: clean up the radeon kms Kconfig
  drm/radeon/kms: fix thermal sensor reading on juniper
  drm/radeon/kms: add missing case for cayman thermal sensor
  drm/radeon/kms: add blit support for cayman (v2)
  drm/radeon/kms/blit: workaround some hw issues on evergreen+

13 years agoMerge branch 'timers-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
Linus Torvalds [Wed, 8 Jun 2011 02:07:22 +0000 (19:07 -0700)]
Merge branch 'timers-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip

* 'timers-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  timers: Consider slack value in mod_timer()
  clockevents: Handle empty cpumask gracefully

13 years agoMerge branch 'kvm-updates/3.0' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Linus Torvalds [Wed, 8 Jun 2011 02:06:28 +0000 (19:06 -0700)]
Merge branch 'kvm-updates/3.0' of git://git.kernel.org/pub/scm/virt/kvm/kvm

* 'kvm-updates/3.0' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
  KVM: Initialize kvm before registering the mmu notifier
  KVM: x86: use proper port value when checking io instruction permission
  KVM: add missing void __user * cast to access_ok() call

13 years agoMAINTAINERS: Saying goodbye to David Brownell
Grant Likely [Mon, 6 Jun 2011 06:40:48 +0000 (00:40 -0600)]
MAINTAINERS: Saying goodbye to David Brownell

We had to say goodbye when David passed away recently.  David had a
huge impact on our community, both personally in the lives of the
people he worked with, and technically in the design and maintenance
of several subsystems.  He is greatly missed.

He also leaves behind a number of much loved subsystems now orphaned.
This patch updates the MAINTAINERS file for the areas that David was
responsible for and adds an entry for him to the CREDITS file.

Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Acked-by: Harry Wei <harryxiyou@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
13 years agoMerge git://git.kernel.org/pub/scm/linux/kernel/git/hirofumi/fatfs-2.6
Linus Torvalds [Wed, 8 Jun 2011 02:04:21 +0000 (19:04 -0700)]
Merge git://git.kernel.org/pub/scm/linux/kernel/git/hirofumi/fatfs-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/hirofumi/fatfs-2.6:
  fat: Fix corrupt inode flags when remove ATTR_SYS flag

13 years agoMN10300: Add missing _sdata declaration
David Howells [Mon, 6 Jun 2011 14:47:23 +0000 (15:47 +0100)]
MN10300: Add missing _sdata declaration

_sdata needs to be declared in the linker script now as of commit
a2d063ac216c ("extable, core_kernel_data(): Make sure all archs define
_sdata")

Signed-off-by: David Howells <dhowells@redhat.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
13 years agoMN10300: die_if_no_fixup() shouldn't use get_user() as it doesn't call set_fs()
David Howells [Mon, 6 Jun 2011 14:47:14 +0000 (15:47 +0100)]
MN10300: die_if_no_fixup() shouldn't use get_user() as it doesn't call set_fs()

die_if_no_fixup() shouldn't use get_user() as it doesn't call set_fs() to
indicate that it wants to probe a kernel address.  Instead it should use
probe_kernel_read().

This fixes the problem of gdb seeing SIGILL rather than SIGTRAP when hitting
the KGDB special breakpoint upon SysRq+g being seen.  The problem was that
die_if_no_fixup() was failing to read the opcode of the instruction that caused
the exception, and thus not fixing up the exception.

This caused gdb to get a S04 response to the $? request in its remote protocol
rather than S05 - which would then cause it to continue with $C04 rather than
$c in an attempt to pass the signal onto the inferior process.  The kernel,
however, does not support $Cnn, and so objects by returning an E22 response,
indicating an error.  gdb does not expect this and prints:

warning: Remote failure reply: E22

and then returns to the gdb command prompt unable to continue.

Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
13 years agoMN10300: Fix one of the kernel debugger cacheflush variants
David Howells [Mon, 6 Jun 2011 14:47:05 +0000 (15:47 +0100)]
MN10300: Fix one of the kernel debugger cacheflush variants

One of the kernel debugger cacheflush variants escaped proper testing.  Two of
the labels are wrong, being derived from the code that was copied to construct
the variant.

The first label results in the following assembler message:

    AS      arch/mn10300/mm/cache-dbg-flush-by-reg.o
  arch/mn10300/mm/cache-dbg-flush-by-reg.S: Assembler messages:
  arch/mn10300/mm/cache-dbg-flush-by-reg.S:123: Error: symbol `debugger_local_cache_flushinv_no_dcache' is already defined

And the second label results in the following linker message:

  arch/mn10300/mm/built-in.o:(.text+0x1d39): undefined reference to `mn10300_local_icache_inv_range_reg_end'
  arch/mn10300/mm/built-in.o:(.text+0x1d39): relocation truncated to fit: R_MN10300_PCREL16 against undefined symbol `mn10300_local_icache_inv_range_reg_end'

To test this file the following configuration pieces must be set:

CONFIG_AM34=y
CONFIG_MN10300_CACHE_WBACK=y
CONFIG_MN10300_DEBUGGER_CACHE_FLUSH_BY_REG=y
CONFIG_MN10300_CACHE_MANAGE_BY_REG=y
CONFIG_AM34_HAS_CACHE_SNOOP=n

Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
13 years agoMerge branch 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6
Linus Torvalds [Wed, 8 Jun 2011 01:47:53 +0000 (18:47 -0700)]
Merge branch 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6

* 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6:
  [S390] fix kvm defines for 31 bit compile
  [S390] use generic RCU page-table freeing code
  [S390] qdio: Split SBAL entry flags
  [S390] kvm-s390: fix stfle facilities numbers >=64
  [S390] kvm-s390: Fix host crash on misbehaving guests

13 years agoMerge branch 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux...
Linus Torvalds [Wed, 8 Jun 2011 01:46:37 +0000 (18:46 -0700)]
Merge branch 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6

* 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6: (21 commits)
  ARM: OMAP4: MMC: increase delay for pbias
  arm: omap2plus: move NAND_BLOCK_SIZE out of boards
  omap4: hwmod: Enable the keypad
  omap3: Free Beagle rev gpios when they are read, so others can read them later
  arm: omap3: beagle: Ensure msecure is mux'd to be able to set the RTC
  omap: rx51: Don't power up speaker amplifier at bootup
  omap: rx51: Set regulator V28_A always on
  ARM: OMAP4: MMC: no regulator off during probe for eMMC
  arm: omap2plus: fix ads7846 pendown gpio request
  ARM: OMAP2: Add missing iounmap in omap4430_phy_init
  ARM: omap4: Pass core and wakeup mux tables to omap4_mux_init
  ARM: omap2+: mux: Allow board mux settings to be NULL
  OMAP4: fix return value of omap4_l3_init
  OMAP: iovmm: fix SW flags passed by user
  arch/arm/mach-omap1/dma.c: Invert calls to platform_device_put and platform_device_del
  OMAP2+: mux: fix compilation warnings
  OMAP: SRAM: Fix warning: format '%08lx' expects type 'long unsigned int'
  arm: omap3: cm-t3517: fix section mismatch warning
  OMAP2+: Fix 9 section mismatch(es) warnings from mach-omap2/built-in.o
  ARM: OMAP2: Add missing include of linux/gpio.h
  ...

13 years agoMerge git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-2.6-fixes
Linus Torvalds [Wed, 8 Jun 2011 01:44:10 +0000 (18:44 -0700)]
Merge git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-2.6-fixes

* git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-2.6-fixes:
  GFS2: Processes waiting on inode glock that no processes are holding

13 years agoMerge branch 'fbdev-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
Linus Torvalds [Wed, 8 Jun 2011 01:41:26 +0000 (18:41 -0700)]
Merge branch 'fbdev-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/lethal/fbdev-3.x

* 'fbdev-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/lethal/fbdev-3.x:
  video: Fix use-after-free by vga16fb on rmmod
  video: Convert vmalloc/memset to vzalloc
  efifb: Disallow manual bind and unbind
  efifb: Fix mismatched request/release_mem_region
  efifb: Enable write-combining
  drivers/video/pxa168fb.c: add missing clk_put
  drivers/video/imxfb.c: add missing clk_put
  fbdev: bf537-lq035: add missing blacklight properties type
  savagefb: Use panel CVT mode as default
  fbdev: sh_mobile_lcdcfb: Fix up fallout from MERAM changes.

13 years agoMerge branch 'for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/viro...
Linus Torvalds [Wed, 8 Jun 2011 01:36:59 +0000 (18:36 -0700)]
Merge branch 'for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6

* 'for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6:
  vfs: make unlink() and rmdir() return ENOENT in preference to EROFS
  lmLogOpen() broken failure exit
  usb: remove bad dput after dentry_unhash
  more conservative S_NOSEC handling

13 years agosparc: Remove unnecessary semicolons
Joe Perches [Fri, 3 Jun 2011 14:45:23 +0000 (14:45 +0000)]
sparc: Remove unnecessary semicolons

Semicolons are not necessary after switch/while/for/if braces
so remove them.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
13 years agoAdd support for allocating irqs for bootbus devices
oftedal [Wed, 1 Jun 2011 11:11:41 +0000 (11:11 +0000)]
Add support for allocating irqs for bootbus devices

Some devices that can generate interrupts are connected directly to the
CPU through the bootbus on sun4d. This patch allows IRQs to be allocated
for such devices. The information used for allocating interrupts for
sbus devices are present at the corresponding SBI node. For bootbus
devices this information is present in the bootbus node.

Signed-off-by: Kjetil Oftedal <oftedal@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
13 years agoDo not skip interrupt sources in sun4d interrupt handler and acknowledge interrupts...
oftedal [Wed, 1 Jun 2011 11:04:20 +0000 (11:04 +0000)]
Do not skip interrupt sources in sun4d interrupt handler and acknowledge interrupts correctly

During the introduction of genirq on sparc32 bugs were introduced in
the interrupt handler for sun4d. The interrupts handler checks the status
of the various sbus interfaces in the system and generates a virtual
interrupt, based upon the location of the interrupt source. This lookup
was broken by restructuring the code in such a way that index and shift
operations were performed prior to comparing this against the values
read from the interrupt controllers.

This could cause the handler to loop eternally as the interrupt source
could be skipped before any check was performed. Additionally
sun4d_encode_irq performs shifting internally, so it should not be performed
twice.

In sun4d_unmask interrupts were not correctly acknowledged, as the
corresponding bit it the interrupt mask was not actually cleared.

Signed-off-by: Kjetil Oftedal <oftedal@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
13 years agoRestructure sun4d_build_device_irq so that timer interrupts can be allocated
oftedal [Wed, 1 Jun 2011 10:43:50 +0000 (10:43 +0000)]
Restructure sun4d_build_device_irq so that timer interrupts can be allocated

sun4d_build_device_irq was called without a valid platform_device when
the system timer was initialized on sun4d systems. This caused a NULL
pointer crash.

Josip Rodin suggested that the current sun4d_build_device_irq should be
split into two functions. So that the timer initialization could skip
the slot and sbus interface detection code in sun4d_build_device_irq, as
this does not make sence due to the timer interrupts not being generated
from a device located on sbus.

Signed-off-by: Kjetil Oftedal <oftedal@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>