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EXA/classic: Fix crash with migration heuristic "smart".

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Signed-off-by: Michel Dänzer <daenzer@vmware.com>
Acked-by: Maarten Maathuis <madman2003@gmail.com>
Signed-off-by: Keith Packard <keithp@keithp.com>
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Michel Dänzer 2009-12-29 12:51:27 +01:00 committed by Keith Packard
parent 40453bf771
commit 0bd8f0cd7f
1 changed files with 3 additions and 0 deletions
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3
exa/exa_migration_classic.c
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@ -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);
}