Fix talloctort: move size check after referenced ptr check.

Michael
(This used to be commit a0caedb94f6f7c62ae706e35a4c0b2876f74978d)

1 files changed, 5 insertions, 5 deletions

diff --git a/source4/lib/talloc/talloc.c b/source4/lib/talloc/talloc.c
index 7aad42ce8c..9e141ab5fd 100644
--- a/source4/lib/talloc/talloc.c
+++ b/source4/lib/talloc/talloc.c
@@ -787,16 +787,16 @@ void *_talloc_realloc(const void *context, void *ptr, size_t size, const char *n
 
 	tc = talloc_chunk_from_ptr(ptr);
 
-	if ((size < tc->size) && ((tc->size - size) < 1024)) {
-		tc->size = size;
-		return ptr;
-	}
-
 	/* don't allow realloc on referenced pointers */
 	if (unlikely(tc->refs)) {
 		return NULL;
 	}
 
+	if ((size < tc->size) && ((tc->size - size) < 1024)) {
+		tc->size = size;
+		return ptr;
+	}
+
 	/* by resetting magic we catch users of the old memory */
 	tc->flags |= TALLOC_FLAG_FREE;