From a8d1eaf6ee1fed0aeff681d33864e17cb904ddd3 Mon Sep 17 00:00:00 2001
From: Chris Wilson <chris@chris-wilson.co.uk>
Date: Wed, 22 Oct 2014 21:12:56 +0100
Subject: [PATCH] sna: Fix use of uninitialized value when handling migration
 for PRIME

sna_accel.c: In function 'sna_pixmap_undo_cow':
sna_accel.c:1933:11: warning: 'create' may be used uninitialized in this function [-Wuninitialized]

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
---
 src/sna/sna_accel.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/sna/sna_accel.c b/src/sna/sna_accel.c
index d4ee2b0c..176a6127 100644
--- a/src/sna/sna_accel.c
+++ b/src/sna/sna_accel.c
@@ -1930,7 +1930,7 @@ sna_pixmap_undo_cow(struct sna *sna, struct sna_pixmap *priv, unsigned flags)
 			box.y2 = pixmap->drawable.height;
 
 			if (flags & __MOVE_PRIME) {
-				create|= CREATE_GTT_MAP | CREATE_PRIME | CREATE_EXACT;
+				create = CREATE_GTT_MAP | CREATE_PRIME | CREATE_EXACT;
 				tiling = I915_TILING_NONE;
 			} else {
 				create = 0;