PERFORCE change 120802 for review

[Fredrik Lindberg]

http://perforce.freebsd.org/chv.cgi?CH=120802

Change 120802 by fli at fli_genesis on 2007/06/02 21:48:49

	- Remove incorrect assertion.
	- Check return value from mdns_buf_alloc() 

Affected files ...

.. //depot/projects/soc2007/fli-mdns_sd/mdnsd/stack_buf.c#6 edit

Differences ...

==== //depot/projects/soc2007/fli-mdns_sd/mdnsd/stack_buf.c#6 (text+ko) ====

@@ -233,7 +233,6 @@
 	struct mdns_bufhead bh2;
 
 	MDNS_INIT_ASSERT(bp, bp_magic);
-	MDNS_INIT_ASSERT(buf, b_magic);
 
 	if (MDNS_BUFHSZ(bh) <= 1)
 		return (TAILQ_FIRST(&bh->bh_list));
@@ -248,6 +247,8 @@
 
 	bzero(&bh2, sizeof(struct mdns_bufhead));
 	buf = mdns_buf_alloc(bp, &bh2, len, 1);
+	if (buf == NULL)
+		return (NULL);
 
 	while (!TAILQ_EMPTY(&bh->bh_list)) {
 		buf2 = TAILQ_FIRST(&bh->bh_list);