diff options
| -rw-r--r-- | ext/mwrap/mwrap.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/ext/mwrap/mwrap.c b/ext/mwrap/mwrap.c index 8d8b19f..c0cf8ff 100644 --- a/ext/mwrap/mwrap.c +++ b/ext/mwrap/mwrap.c @@ -545,7 +545,7 @@ void *realloc(void *ptr, size_t size) } rcu_read_unlock(); - if (ptr) { + if (ptr && p) { struct alloc_hdr *old = ptr2hdr(ptr); memcpy(p, ptr, old->size < size ? old->size : size); free(ptr); |