Only memset if malloc returnes non-NULL

cesanta · Dec 19, 2020 · 6b279b3 · 6b279b3
1 parent 41f01a2
commit 6b279b3
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/umm_malloc/umm_malloc.c b/src/umm_malloc/umm_malloc.c
@@ -1729,7 +1729,7 @@ void *umm_calloc( size_t num, size_t item_size ) {
 
   size += POISON_SIZE(size);
   ret = _umm_malloc(size);
-  memset(ret, 0x00, size);
+  if (ret != NULL) memset(ret, 0x00, size);
 
   ret = GET_POISONED(ret, size);