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Diffstat (limited to 'xorg-server/exa/exa_migration_classic.c')
-rw-r--r--xorg-server/exa/exa_migration_classic.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/xorg-server/exa/exa_migration_classic.c b/xorg-server/exa/exa_migration_classic.c
index 95189becc..871679ffc 100644
--- a/xorg-server/exa/exa_migration_classic.c
+++ b/xorg-server/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);
}