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authorChris Wilson <chris@chris-wilson.co.uk>2012-06-04 12:21:27 +0100
committerChris Wilson <chris@chris-wilson.co.uk>2012-06-04 12:31:09 +0100
commit72a29aa74a1488269c2184300e573d060c49e232 (patch)
tree7c48695e2b0f3a10d1e1de07fbbd140cbd7e6811
parent9bff89b1892cee90a80909255876240126b700b2 (diff)
sna: Check that the buffer was allocated prior to caching it
Reported-by: Zdenek Kabelac <zkabelac@redhat.com> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
-rw-r--r--src/sna/sna_render.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/sna/sna_render.c b/src/sna/sna_render.c
index 7feaa24f..c3c66663 100644
--- a/src/sna/sna_render.c
+++ b/src/sna/sna_render.c
@@ -1139,7 +1139,8 @@ sna_render_picture_extract(struct sna *sna,
&box,
pixmap->devKind,
pixmap->drawable.bitsPerPixel);
- if (pixmap->usage_hint == 0 &&
+ if (bo != NULL &&
+ pixmap->usage_hint == 0 &&
box.x2 - box.x1 == pixmap->drawable.width &&
box.y2 - box.y1 == pixmap->drawable.height) {
struct sna_pixmap *priv = sna_pixmap(pixmap);