From: Jesper Juhl <jj@chaosbits.net>
Date: Mon, 1 Aug 2011 21:39:17 +0000 (-0300)
Subject: [media] [Resend] viacam: Don't explode if pci_find_bus() returns NULL
X-Git-Tag: v3.1-rc6~7^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c8814df3a578895390fe5c05a76328d8d111ed25;p=pandora-kernel.git

[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>
---

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