[PATCH 17/24] dix: freeing a null grab is a bug, complain if doing so
Peter Hutterer
peter.hutterer at who-t.net
Thu May 9 22:30:52 PDT 2013
Signed-off-by: Peter Hutterer <peter.hutterer at who-t.net>
---
dix/grabs.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/dix/grabs.c b/dix/grabs.c
index 3b02352..0a2111d 100644
--- a/dix/grabs.c
+++ b/dix/grabs.c
@@ -249,6 +249,8 @@ CreateGrab(int client, DeviceIntPtr device, DeviceIntPtr modDevice,
void
FreeGrab(GrabPtr pGrab)
{
+ BUG_RETURN(!pGrab);
+
if (pGrab->grabtype == XI2 && pGrab->type == XI_TouchBegin)
TouchListenerGone(pGrab->resource);
--
1.8.1.4
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