Fix talloctort: move size check after referenced ptr check.

Michael

diff --git a/source/lib/talloc/talloc.c b/source/lib/talloc/talloc.c
index 7aad42ce8cc571d8865002fb5b5f8fe9bbdd6770..9e141ab5fdeb975794d352deece5aa27cacf2661 100644 (file)
--- a/source/lib/talloc/talloc.c
+++ b/source/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;