Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wirel...

[karo-tx-linux.git] / net / ipv4 / udp.c

diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index 9de6a698f91d6ed861d8dd42c803a49222db7105..32e0bef60d0afdbedd3d4cbdd3c57a9f9beafcdc 100644 (file)
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -633,9 +633,9 @@ void __udp4_lib_err(struct sk_buff *skb, u32 info, struct udp_table *udptable)
        if (!inet->recverr) {
                if (!harderr || sk->sk_state != TCP_ESTABLISHED)
                        goto out;
-       } else {
+       } else
                ip_icmp_error(sk, skb, err, uh->dest, info, (u8 *)(uh+1));
-       }
+
        sk->sk_err = err;
        sk->sk_error_report(sk);
 out:
@@ -914,7 +914,7 @@ int udp_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
                    !sock_flag(sk, SOCK_BROADCAST))
                        goto out;
                if (connected)
-                       sk_dst_set(sk, dst_clone(&rt->u.dst));
+                       sk_dst_set(sk, dst_clone(&rt->dst));
        }
 
        if (msg->msg_flags&MSG_CONFIRM)
@@ -978,7 +978,7 @@ out:
        return err;
 
 do_confirm:
-       dst_confirm(&rt->u.dst);
+       dst_confirm(&rt->dst);
        if (!(msg->msg_flags&MSG_PROBE) || len)
                goto back_from_confirm;
        err = 0;
@@ -1063,10 +1063,11 @@ static unsigned int first_packet_length(struct sock *sk)
        spin_unlock_bh(&rcvq->lock);
 
        if (!skb_queue_empty(&list_kill)) {
-               lock_sock_bh(sk);
+               bool slow = lock_sock_fast(sk);
+
                __skb_queue_purge(&list_kill);
                sk_mem_reclaim_partial(sk);
-               unlock_sock_bh(sk);
+               unlock_sock_fast(sk, slow);
        }
        return res;
 }
@@ -1123,6 +1124,7 @@ int udp_recvmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
        int peeked;
        int err;
        int is_udplite = IS_UDPLITE(sk);
+       bool slow;
 
        /*
         *      Check any passed addresses
@@ -1197,10 +1199,10 @@ out:
        return err;
 
 csum_copy_err:
-       lock_sock_bh(sk);
+       slow = lock_sock_fast(sk);
        if (!skb_kill_datagram(sk, skb, flags))
                UDP_INC_STATS_USER(sock_net(sk), UDP_MIB_INERRORS, is_udplite);
-       unlock_sock_bh(sk);
+       unlock_sock_fast(sk, slow);
 
        if (noblock)
                return -EAGAIN;
@@ -1625,9 +1627,9 @@ int udp_rcv(struct sk_buff *skb)
 
 void udp_destroy_sock(struct sock *sk)
 {
-       lock_sock_bh(sk);
+       bool slow = lock_sock_fast(sk);
        udp_flush_pending_frames(sk);
-       unlock_sock_bh(sk);
+       unlock_sock_fast(sk, slow);
 }
 
 /*
@@ -1686,8 +1688,8 @@ int udp_lib_setsockopt(struct sock *sk, int level, int optname,
                        return -ENOPROTOOPT;
                if (val != 0 && val < 8) /* Illegal coverage: use default (8) */
                        val = 8;
-               else if (val > USHORT_MAX)
-                       val = USHORT_MAX;
+               else if (val > USHRT_MAX)
+                       val = USHRT_MAX;
                up->pcslen = val;
                up->pcflag |= UDPLITE_SEND_CC;
                break;
@@ -1700,8 +1702,8 @@ int udp_lib_setsockopt(struct sock *sk, int level, int optname,
                        return -ENOPROTOOPT;
                if (val != 0 && val < 8) /* Avoid silly minimal values.       */
                        val = 8;
-               else if (val > USHORT_MAX)
-                       val = USHORT_MAX;
+               else if (val > USHRT_MAX)
+                       val = USHRT_MAX;
                up->pcrlen = val;
                up->pcflag |= UDPLITE_RECV_CC;
                break;