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authorChris Wilson <chris@chris-wilson.co.uk>2013-06-15 13:25:39 +0100
committerChris Wilson <chris@chris-wilson.co.uk>2013-06-18 10:54:16 +0100
commit40329e34b9ac65d930757d53283b7d8f4066c3a2 (patch)
tree770224c89b7d7bea55d3082f1612929b48be8e31 /src/sna/sna_io.c
parentabb522e07a2c3bf39e2587ddedc4bb8ac955c536 (diff)
sna: Add extra assertions to sanity check CPU access is coherent
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Diffstat (limited to 'src/sna/sna_io.c')
-rw-r--r--src/sna/sna_io.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/sna/sna_io.c b/src/sna/sna_io.c
index 3febc273..1ec1a60f 100644
--- a/src/sna/sna_io.c
+++ b/src/sna/sna_io.c
@@ -74,6 +74,7 @@ static void read_boxes_inplace(struct kgem *kgem,
if (src == NULL)
return;
+ assert(src != dst);
do {
DBG(("%s: copying box (%d, %d), (%d, %d)\n",
__FUNCTION__, box->x1, box->y1, box->x2, box->y2));