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Check for NULL before touching src.

This commit is contained in:
Paul Vriens 2005-03-09 18:42:35 +00:00 committed by Alexandre Julliard
parent aef19abc82
commit 327049504b
1 changed files with 10 additions and 6 deletions
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16
dlls/ddraw/dsurface/dib.c
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@ -514,9 +514,11 @@ DIB_DirectDrawSurface_Blt(LPDIRECTDRAWSURFACE7 iface, LPRECT rdst,
}
}
if (This->locked || ((IDirectDrawSurfaceImpl *)src)->locked) {
WARN(" Surface is busy, returning DDERR_SURFACEBUSY\n");
return DDERR_SURFACEBUSY;
if (src != NULL) {
if (This->locked || ((IDirectDrawSurfaceImpl *)src)->locked) {
WARN(" Surface is busy, returning DDERR_SURFACEBUSY\n");
return DDERR_SURFACEBUSY;
}
}
/* First, check if the possible override function handles this case */
@ -990,9 +992,11 @@ DIB_DirectDrawSurface_BltFast(LPDIRECTDRAWSURFACE7 iface, DWORD dstx,
TRACE(" srcrect: NULL\n");
}
if (This->locked || ((IDirectDrawSurfaceImpl *)src)->locked) {
WARN(" Surface is busy, returning DDERR_SURFACEBUSY\n");
return DDERR_SURFACEBUSY;
if (src != NULL) {
if (This->locked || ((IDirectDrawSurfaceImpl *)src)->locked) {
WARN(" Surface is busy, returning DDERR_SURFACEBUSY\n");
return DDERR_SURFACEBUSY;
}
}
/* First, check if the possible override function handles this case */