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sna: Add missing alloc failure check for creating tile source 

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson 2012-04-10 14:43:28 +01:00
parent 9cc6f7ccc5
commit c8502e350c
1 changed files with 3 additions and 0 deletions
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3
src/sna/sna_accel.c
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@ -8767,6 +8767,9 @@ sna_pixmap_get_source_bo(PixmapPtr pixmap)
pixmap->drawable.bitsPerPixel,
KGEM_BUFFER_WRITE_INPLACE,
&ptr);
if (upload == NULL)
return NULL;
memcpy_blt(pixmap->devPrivate.ptr, ptr,
pixmap->drawable.bitsPerPixel,
pixmap->devKind, upload->pitch,