Signed-off-by: Peter Hutterer <[email protected]>
---
Xi/xibarriers.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/Xi/xibarriers.c b/Xi/xibarriers.c
index 86e811e..8f12253 100644
--- a/Xi/xibarriers.c
+++ b/Xi/xibarriers.c
@@ -591,6 +591,9 @@ ProcXIBarrierReleasePointer(ClientPtr client)
return err;
}
+ if (CLIENT_ID(barrier_id) != client->index)
+ return BadAccess;
+
barrier = container_of(b, struct PointerBarrierClient, barrier);
if (barrier->barrier_event_id == event_id)
barrier->release_event_id = event_id;
--
1.8.0.1
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