diff mbox series

[PULL,4/7] qxl: check qxl_phys2virt return value

Message ID 20181015090517.26884-5-kraxel@redhat.com (mailing list archive)
State New, archived
Headers show
Series [PULL,1/7] edid: fix alignment issues | expand

Commit Message

Gerd Hoffmann Oct. 15, 2018, 9:05 a.m. UTC 
Fixes: CID 1395986
Fixes: 979f7ef8966bc4495a710ed9e4af42098f92ee79
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-id: 20181005134608.1251-1-kraxel@redhat.com
---
 hw/display/qxl.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/hw/display/qxl.c b/hw/display/qxl.c
index e628cf1286..f608abc769 100644
--- a/hw/display/qxl.c
+++ b/hw/display/qxl.c
@@ -290,7 +290,7 @@  static void qxl_spice_monitors_config_async(PCIQXLDevice *qxl, int replay)
     }
 
     cfg = qxl_phys2virt(qxl, qxl->guest_monitors_config, MEMSLOT_GROUP_GUEST);
-    if (cfg->count == 1) {
+    if (cfg != NULL && cfg->count == 1) {
         qxl->guest_primary.resized = 1;
         qxl->guest_head0_width  = cfg->heads[0].width;
         qxl->guest_head0_height = cfg->heads[0].height;