null pointer dereference

8c55a67a · Andreas Gustafsson · 260b4137 · 8c55a67a
Commit 8c55a67a authored Jul 28, 1999 by Andreas Gustafsson
Hide whitespace changes
Inline Side-by-side

Showing with 1 addition and 1 deletion

lib/dns/message.c lib/dns/message.c +1 -1

No files found.
--- a/lib/dns/message.c
+++ b/lib/dns/message.c
@@ -118,7 +118,7 @@ msgblock_internalget(dns_msgblock_t *block, unsigned int sizeof_type)
 {
 	void *ptr;

-	if (block->remaining == 0)
+	if (block == NULL || block->remaining == 0)
 		return (NULL);

 	block->remaining--;