Eugene Teo <[email protected]> wrote:
>
> diff --git a/net/llc/llc_conn.c b/net/llc/llc_conn.c
> index 3b8cfbe..28a3994 100644
> --- a/net/llc/llc_conn.c
> +++ b/net/llc/llc_conn.c
> @@ -323,7 +323,8 @@ int llc_conn_remove_acked_pdus(struct sock *sk, u8 nr, u16
> *how_many_unacked)
>
> if (!q_len)
> goto out;
> - skb = skb_peek(&llc->pdu_unack_q);
> + if (! (skb = skb_peek(&llc->pdu_unack_q)))
> + goto out;
Actually we just checked that the queue length is non-zero so there
must be a packet there unless someone's just removed it. If it were
possible for someone else to remove it in parallel, then we've got
bigger problems to worry about :)
Cheers,
--
Visit Openswan at http://www.openswan.org/
Email: Herbert Xu ~{PmV>HI~} <[email protected]>
Home Page: http://gondor.apana.org.au/~herbert/
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