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-rw-r--r--src/sna/sna_accel.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/src/sna/sna_accel.c b/src/sna/sna_accel.c
index c021652a..80d67873 100644
--- a/src/sna/sna_accel.c
+++ b/src/sna/sna_accel.c
@@ -6120,7 +6120,9 @@ sna_copy_boxes(DrawablePtr src, DrawablePtr dst, GCPtr gc,
goto fallback;
}
- if (src_priv && COW(src_priv->cow) == COW(dst_priv->cow) && alu == GXcopy) {
+ if (alu == GXcopy &&
+ src_priv && src_priv->cow &&
+ COW(src_priv->cow) == COW(dst_priv->cow)) {
if ((dx | dy) == 0) {
DBG(("%s: ignoring cow for no op\n",
__FUNCTION__));