Message ID | 49BFA8EA.4000702@gmail.com |
---|---|
State | Not Applicable, archived |
Delegated to: | David Miller |
Headers | show |
Em Tue, Mar 17, 2009 at 02:43:06PM +0100, Roel Kluin escreveu: > Was this patch missed? > > struct sk_buff is located at vi include/linux/skbuff.h +357: > maybe a different test is needed in x25_rx_call_request()? > ------------------------------>8-------------8<--------------------------------- > skb->len is an unsigned int, so the test in x25_rx_call_request() always > evaluates to true. > > len in x25_sendmsg() is unsigned as well. so -ERRORS returned by x25_output() > are not noticed. > > Signed-off-by: Roel Kluin <roel.kluin@gmail.com> I saw DaveM applying this one, lemme see... http://git.kernel.org/?p=linux/kernel/git/davem/net-next-2.6.git;a=commit;h=8db09f26f912f7c90c764806e804b558da520d4f - Arnaldo -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
From: Roel Kluin <roel.kluin@gmail.com> Date: Tue, 17 Mar 2009 14:43:06 +0100 > Was this patch missed? It's in net-next-2.6, I'm not merging all of these trite off-by-one fixes into net-2.6 so late in the release cycle. -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/net/x25/af_x25.c b/net/x25/af_x25.c index 9fc5b02..c57a09f 100644 --- a/net/x25/af_x25.c +++ b/net/x25/af_x25.c @@ -951,10 +951,8 @@ int x25_rx_call_request(struct sk_buff *skb, struct x25_neigh *nb, /* * Incoming Call User Data. */ - if (skb->len >= 0) { - skb_copy_from_linear_data(skb, makex25->calluserdata.cuddata, skb->len); - makex25->calluserdata.cudlength = skb->len; - } + skb_copy_from_linear_data(skb, makex25->calluserdata.cuddata, skb->len); + makex25->calluserdata.cudlength = skb->len; sk->sk_ack_backlog++; @@ -1122,8 +1120,9 @@ static int x25_sendmsg(struct kiocb *iocb, struct socket *sock, if (msg->msg_flags & MSG_OOB) skb_queue_tail(&x25->interrupt_out_queue, skb); else { - len = x25_output(sk, skb); - if (len < 0) + rc = x25_output(sk, skb); + len = rc; + if (rc < 0) kfree_skb(skb); else if (x25->qbitincl) len++;
Was this patch missed? struct sk_buff is located at vi include/linux/skbuff.h +357: maybe a different test is needed in x25_rx_call_request()? ------------------------------>8-------------8<--------------------------------- skb->len is an unsigned int, so the test in x25_rx_call_request() always evaluates to true. len in x25_sendmsg() is unsigned as well. so -ERRORS returned by x25_output() are not noticed. Signed-off-by: Roel Kluin <roel.kluin@gmail.com> --- -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html