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dix: don't copy the wrong event mask when activating a passive grab

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GrabMask is a union of core, XI1 and XI2 masks. If a XI2 grab is activated,
the value is a random pointer value, using it as mask has unpredictable
effects.

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Reviewed-by: Jasper St. Pierre <jstpierre@mecheye.net>
Reviewed-by: Keith Packard <keithp@keithp.com>
This commit is contained in:
Peter Hutterer 2012-12-11 13:36:02 +10:00
parent dd3242c87a
commit f793b5fd3e
1 changed files with 4 additions and 1 deletions
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dix/grabs.c
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@ -219,7 +219,10 @@ CreateGrab(int client, DeviceIntPtr device, DeviceIntPtr modDevice,
grab->resource = FakeClientID(client);
grab->device = device;
grab->window = window;
grab->eventMask = mask->core; /* same for XI */
if (grabtype == CORE || grabtype == XI)
grab->eventMask = mask->core; /* same for XI */
else
grab->eventMask = 0;
grab->deviceMask = 0;
grab->ownerEvents = param->ownerEvents;
grab->keyboardMode = param->this_device_mode;