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(parent: 66883e9) | patch
cnic: Fix panic in cnic_iscsi_nl_msg_recv() when device is down.
authorMichael Chan <mchan@broadcom.com>
Wed, 24 Feb 2010 14:42:06 +0000 (14:42 +0000)
committerDavid S. Miller <davem@davemloft.net>
Fri, 26 Feb 2010 10:10:13 +0000 (02:10 -0800)
commitd02a5e6c2fba8b114c44cf05085fca07180f37f1
treee91243a2c2256dec2b9f7ad20273c55cdc137358tree
parent66883e90eaa0dd55d395c0f9a0c6da5d50809804commit | diff
cnic: Fix panic in cnic_iscsi_nl_msg_recv() when device is down.

Some data structures are freed when the device is down and it will
crash if an ISCSI netlink message is received.  Add RCU protection
to prevent this.  In the shutdown path, ulp_ops[CNIC_ULP_L4] is
assigned NULL and rcu_synchronized before freeing the data
structures.

Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/cnic.c diff | blob | blame | history
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