Fix double free when destroying event thread for a second time.

libsdl-org · Jul 11, 2009 · c09893d · c09893d
1 parent 8f8d459
commit c09893d
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/src/events/SDL_events.c b/src/events/SDL_events.c
@@ -196,7 +196,10 @@ SDL_StopEventThread(void)
         SDL_DestroyMutex(SDL_EventLock.lock);
     }
 #ifndef IPOD
-    SDL_DestroyMutex(SDL_EventQ.lock);
+    if (SDL_EventQ.lock) {
+        SDL_DestroyMutex(SDL_EventQ.lock);
+        SDL_EventQ.lock = NULL;
+    }
 #endif
 }