lib: pool_unref(NULL) shoud be a no-op

diff --git a/src/lib/mempool.h b/src/lib/mempool.h
index fefac79ebe750622a395212d1aa430e538af34bc..8814707de1970024175e3172a9e9bb64e49cd8a0 100644 (file)
--- a/src/lib/mempool.h
+++ b/src/lib/mempool.h
@@ -133,7 +133,8 @@ static inline void pool_ref(pool_t pool)
 
 static inline void pool_unref(pool_t *pool)
 {
-       (*pool)->v->unref(pool);
+       if (*pool != NULL)
+               (*pool)->v->unref(pool);
 }
 
 /* These functions are only for pools created with pool_alloconly_create(): */