diff options
author | Jon TURNEY <jon.turney@dronecode.org.uk> | 2013-11-11 15:09:18 +0000 |
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committer | Jon TURNEY <jon.turney@dronecode.org.uk> | 2013-11-11 15:10:47 +0000 |
commit | f1e68c2c6a18c251be02cc0ecbabb265c7610b55 (patch) | |
tree | c78fd5236958d68fac7b5ff78d4e2b8c77f78e8a | |
parent | 08745546d7ae48e3b740e88f1924bf6fc3e3b453 (diff) |
Fix a potential crash in winRedrawScreenShadowDDNL()
Seen during shutdown when using '-depth 8'
-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 01097f295..9fc3a15ea 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; |