[Qemu-stable] [PATCH 12/21] qxl: save qemu_create_displaysurface_from result

[Michael Roth]

From: Gerd Hoffmann <address@hidden>

Spotted by Coverity.

https://bugzilla.redhat.com/show_bug.cgi?id=885644

Cc: address@hidden
Reported-by: Markus Armbruster <address@hidden>
Signed-off-by: Gerd Hoffmann <address@hidden>
(cherry picked from commit 2f464b5a32b414adb545acc6d94b5c35c7d258ba)

Signed-off-by: Michael Roth <address@hidden>
---
 hw/qxl-render.c |   11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/hw/qxl-render.c b/hw/qxl-render.c
index 98ecb21..88e63f8 100644
--- a/hw/qxl-render.c
+++ b/hw/qxl-render.c
@@ -113,11 +113,12 @@ static void qxl_render_update_area_unlocked(PCIQXLDevice 
*qxl)
                qxl->guest_primary.bits_pp);
         if (qxl->guest_primary.qxl_stride > 0) {
             qemu_free_displaysurface(vga->ds);
-            qemu_create_displaysurface_from(qxl->guest_primary.surface.width,
-                                            qxl->guest_primary.surface.height,
-                                            qxl->guest_primary.bits_pp,
-                                            qxl->guest_primary.abs_stride,
-                                            qxl->guest_primary.data);
+            vga->ds->surface = qemu_create_displaysurface_from
+                (qxl->guest_primary.surface.width,
+                 qxl->guest_primary.surface.height,
+                 qxl->guest_primary.bits_pp,
+                 qxl->guest_primary.abs_stride,
+                 qxl->guest_primary.data);
         } else {
             qemu_resize_displaysurface(vga->ds,
                     qxl->guest_primary.surface.width,
-- 
1.7.9.5