server: Avoid a crash if a registry notify event has been set already.

5fb6e0ef · Mike McCormack · Alexandre Julliard · bf8509d3 · 5fb6e0ef
Commit 5fb6e0ef authored May 14, 2006 by Mike McCormack Committed by Alexandre Julliard May 15, 2006
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registry.c server/registry.c +2 -1

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--- a/server/registry.c
+++ b/server/registry.c
@@ -1954,7 +1954,8 @@ DECL_HANDLER(set_registry_notification)
            notify = find_notify( key, current->process, req->hkey );
            if (notify)
            {
-                release_object( notify->event );
+                if (notify->event)
+                    release_object( notify->event );
                grab_object( event );
                notify->event = event;
            }