tree 477fffed67481d0c1b626f9a2e5af3f4655378ee
parent 6a02a3306769c6f0fa8ebd92d5046c841e4e740d
author Jesper Juhl <jj@chaosbits.net> 1312234757 -0300
committer Mauro Carvalho Chehab <mchehab@redhat.com> 1315744419 -0300

[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>