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[media] [Resend] viacam: Don't explode if pci_find_bus() returns NULL
authorJesper Juhl <jj@chaosbits.net>
Mon, 1 Aug 2011 21:39:17 +0000 (18:39 -0300)
committerMauro Carvalho Chehab <mchehab@redhat.com>
Sun, 11 Sep 2011 12:33:39 +0000 (09:33 -0300)
commit84b36df9c8dd69438e6403d7c5aaf015d14e3612
tree477fffed67481d0c1b626f9a2e5af3f4655378eetree | snapshot
parente72d0ebf56e6167cf78f24150ebdb3e3917b9590commit | diff
[media] [Resend] viacam: Don't explode if pci_find_bus() returns NULL

In the unlikely case that pci_find_bus() should return NULL
viacam_serial_is_enabled() is going to dereference a NULL pointer and
blow up. Better safe than sorry, so be defensive and check the
pointer.

Signed-off-by: Jesper Juhl <jj@chaosbits.net>
Acked-by: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
drivers/media/video/via-camera.c diff | blob | history
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