xen/pciback: Check if the device is found instead of blindly assuming so.
authorKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Thu, 29 Sep 2011 17:12:43 +0000 (13:12 -0400)
committerKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Wed, 19 Oct 2011 21:01:10 +0000 (17:01 -0400)
Just in case it is not found, don't try to dereference it.

[v1: Added WARN_ON, suggested by Jan Beulich <JBeulich@suse.com>]
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>

No differences found