فهرست منبع

Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6

* master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6:
  [PPP]: Fix skbuff.c:BUG due incorrect logic in process_input_packet()
Linus Torvalds 18 سال پیش
والد
کامیت
36e82dfda5
1فایلهای تغییر یافته به همراه2 افزوده شده و 2 حذف شده
  1. 2 2
      drivers/net/ppp_async.c

+ 2 - 2
drivers/net/ppp_async.c

@@ -802,9 +802,9 @@ process_input_packet(struct asyncppp *ap)
 
 	/* check for address/control and protocol compression */
 	p = skb->data;
-	if (p[0] == PPP_ALLSTATIONS && p[1] == PPP_UI) {
+	if (p[0] == PPP_ALLSTATIONS) {
 		/* chop off address/control */
-		if (skb->len < 3)
+		if (p[1] != PPP_UI || skb->len < 3)
 			goto err;
 		p = skb_pull(skb, 2);
 	}