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[WIN32K] Fix missing NULL check in IntCreateDIBitmap

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This commit is contained in:
Timo Kreuzer 2022-08-08 09:40:40 +02:00
parent b89a4eed72
commit 9fc56bfc9d
1 changed files with 7 additions and 1 deletions
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8
win32ss/gdi/ntgdi/dibobj.c
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@ -1578,7 +1578,13 @@ IntCreateDIBitmap(
Surface = SURFACE_ShareLockSurface(handle); Surface = SURFACE_ShareLockSurface(handle);
ASSERT(Surface); ASSERT(Surface);
Palette = CreateDIBPalette(data, Dc, coloruse); Palette = CreateDIBPalette(data, Dc, coloruse);
ASSERT(Palette); if (Palette == NULL)
{
SURFACE_ShareUnlockSurface(Surface);
GreDeleteObject(handle);
return NULL;
}
SURFACE_vSetPalette(Surface, Palette); SURFACE_vSetPalette(Surface, Palette);
PALETTE_ShareUnlockPalette(Palette); PALETTE_ShareUnlockPalette(Palette);