diff options
| author | Jon TURNEY <jon.turney@dronecode.org.uk> | 2013-11-11 15:09:18 +0000 |
|---|---|---|
| committer | Jon TURNEY <jon.turney@dronecode.org.uk> | 2014-08-29 13:32:50 +0100 |
| commit | 1c34e774eff6c5a22501833444a10440cf3f915a (patch) | |
| tree | 2d617ce6c42217804dee53a9939202b4aa2bded2 | |
| parent | 16d9da08861fe504de4be8c31708592e30687156 (diff) | |
hw/xwin: Fix a potential crash in winRedrawScreenShadowDDNL()
Seen during shutdown when using '-fullscreen' and '-depth 8'
Signed-off-by: Jon TURNEY <jon.turney@dronecode.org.uk>
Reviewed-by: Colin Harrison <colin.harrison@virgin.net>
| -rw-r--r-- | hw/xwin/winshadddnl.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/hw/xwin/winshadddnl.c b/hw/xwin/winshadddnl.c index 55af5c383..cb326dc81 100644 --- a/hw/xwin/winshadddnl.c +++ b/hw/xwin/winshadddnl.c @@ -986,6 +986,10 @@ winRedrawScreenShadowDDNL(ScreenPtr pScreen) RECT rcSrc, rcDest; POINT ptOrigin; + /* Return immediately if we didn't get needed surfaces */ + if (!pScreenPriv->pddsPrimary4 || !pScreenPriv->pddsShadow4) + return; + /* Get the origin of the window in the screen coords */ ptOrigin.x = pScreenInfo->dwXOffset; ptOrigin.y = pScreenInfo->dwYOffset; |