Ignore NULL streams in StreamPool_Return

(cherry picked from commit 6351885488c38327b4f59f3686d68ddd8dc0f745)

diff --git a/winpr/libwinpr/utils/collections/StreamPool.c b/winpr/libwinpr/utils/collections/StreamPool.c
index b8b3cb5..7be359e 100644 (file)
--- a/winpr/libwinpr/utils/collections/StreamPool.c
+++ b/winpr/libwinpr/utils/collections/StreamPool.c
@@ -201,6 +201,9 @@ out_fail:
 
 void StreamPool_Return(wStreamPool* pool, wStream* s)
 {
+       if (!s)
+               return;
+
        if (pool->synchronized)
                EnterCriticalSection(&pool->lock);