[PATCH 1/3] EXA/classic: Fix crash with migration heuristic "smart".
Michel Dänzer
michel at daenzer.net
Mon Dec 28 01:39:10 PST 2009
From: Michel Dänzer <daenzer at vmware.com>
Signed-off-by: Michel Dänzer <daenzer at vmware.com>
---
exa/exa_migration_classic.c | 3 +++
1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/exa/exa_migration_classic.c b/exa/exa_migration_classic.c
index 95189be..871679f 100644
--- a/exa/exa_migration_classic.c
+++ b/exa/exa_migration_classic.c
@@ -75,6 +75,9 @@ exaPixmapIsDirty (PixmapPtr pPix)
if (pExaPixmap == NULL)
EXA_FatalErrorDebugWithRet(("EXA bug: exaPixmapIsDirty was called on a non-exa pixmap.\n"), TRUE);
+ if (!pExaPixmap->pDamage)
+ return FALSE;
+
return REGION_NOTEMPTY (pScreen, DamageRegion(pExaPixmap->pDamage)) ||
!REGION_EQUAL(pScreen, &pExaPixmap->validSys, &pExaPixmap->validFB);
}
--
1.6.5.7
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