]> git.proxmox.com Git - mirror_ubuntu-disco-kernel.git/commit
[media] vp7045: fix buffer setup
authorFlorian Mickler <florian@mickler.org>
Wed, 10 Aug 2011 10:05:20 +0000 (07:05 -0300)
committerMauro Carvalho Chehab <mchehab@redhat.com>
Sun, 11 Sep 2011 12:33:41 +0000 (09:33 -0300)
commitfc61ccd35fd59d5362d37c8bf9c0526c85086c84
treeef4a47ba5424d8b20637c0bdba47f5005835c6d7
parentde4ed0c111ed078b8729a5cc49c23197740f5bad
[media] vp7045: fix buffer setup

dvb_usb_device_init calls the frontend_attach method of this driver which
uses vp7045_usb_ob. In order to have a buffer ready in vp7045_usb_op, it has to
be allocated before that happens.

Luckily we can use the whole private data as the buffer as it gets separately
allocated on the heap via kzalloc in dvb_usb_device_init and is thus apt for
use via usb_control_msg.

This fixes a
BUG: unable to handle kernel paging request at 0000000000001e78

reported by Tino Keitel and diagnosed by Dan Carpenter.

Cc: stable@kernel.org # For v3.0 and upper
Tested-by: Tino Keitel <tino.keitel@tikei.de>
Signed-off-by: Florian Mickler <florian@mickler.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
drivers/media/dvb/dvb-usb/vp7045.c