diff options
Diffstat (limited to 'net')
| -rw-r--r-- | net/netfilter/nfnetlink.c | 51 |
1 files changed, 4 insertions, 47 deletions
diff --git a/net/netfilter/nfnetlink.c b/net/netfilter/nfnetlink.c index 7865a47c981..5be6ac478fd 100644 --- a/net/netfilter/nfnetlink.c +++ b/net/netfilter/nfnetlink.c @@ -301,59 +301,16 @@ err_inval: return -1; } -/* Process one packet of messages. */ -static inline int nfnetlink_rcv_skb(struct sk_buff *skb) -{ - int err; - struct nlmsghdr *nlh; - - while (skb->len >= NLMSG_SPACE(0)) { - u32 rlen; - - nlh = (struct nlmsghdr *)skb->data; - if (nlh->nlmsg_len < sizeof(struct nlmsghdr) - || skb->len < nlh->nlmsg_len) - return 0; - rlen = NLMSG_ALIGN(nlh->nlmsg_len); - if (rlen > skb->len) - rlen = skb->len; - if (nfnetlink_rcv_msg(skb, nlh, &err)) { - if (!err) - return -1; - netlink_ack(skb, nlh, err); - } else - if (nlh->nlmsg_flags & NLM_F_ACK) - netlink_ack(skb, nlh, 0); - skb_pull(skb, rlen); - } - - return 0; -} - static void nfnetlink_rcv(struct sock *sk, int len) { - do { - struct sk_buff *skb; + unsigned int qlen = 0; + do { if (nfnl_trylock()) return; - - while ((skb = skb_dequeue(&sk->sk_receive_queue)) != NULL) { - if (nfnetlink_rcv_skb(skb)) { - if (skb->len) - skb_queue_head(&sk->sk_receive_queue, - skb); - else - kfree_skb(skb); - break; - } - kfree_skb(skb); - } - - /* don't call nfnl_unlock, since it would reenter - * with further packet processing */ + netlink_run_queue(sk, &qlen, nfnetlink_rcv_msg); __nfnl_unlock(); - } while(nfnl && nfnl->sk_receive_queue.qlen); + } while (qlen); } static void __exit nfnetlink_exit(void) |