qemu/0521-qxl-save-qemu_create_displaysurface_from-result.patch

From 67a3c5e0e9b7e2ae4444f374c698fc3fbf16a1ac Mon Sep 17 00:00:00 2001
From: Gerd Hoffmann <kraxel@redhat.com>
Date: Mon, 10 Dec 2012 07:41:07 +0100
Subject: [PATCH] qxl: save qemu_create_displaysurface_from result

Spotted by Coverity.

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

Cc: qemu-stable@nongnu.org
Reported-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
---
 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 b66c168..e7d41ec 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,