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sna: Be paranoid and guard against xf86GetPciInfoForEntity 

Reported-by: Zdenek Kabelac <zkabelac@redhat.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson 2012-06-04 12:21:27 +01:00
parent 782cd6eafa
commit abb8d89374
1 changed files with 1 additions and 1 deletions
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2
src/sna/sna_driver.c
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@ -426,7 +426,7 @@ static Bool sna_pre_init(ScrnInfoPtr scrn, int flags)
return FALSE;
pEnt = xf86GetEntityInfo(scrn->entityList[0]);
if (pEnt->location.type != BUS_PCI)
if (pEnt == NULL || pEnt->location.type != BUS_PCI)
return FALSE;
if (flags & PROBE_DETECT)