netpoll: fix netconsole IPv6 setup

[firefly-linux-kernel-4.4.55.git] / net / core / sock.c

diff --git a/net/core/sock.c b/net/core/sock.c
index 88868a9d21da54761a09b2ecaf0b88766190152f..50a345e5a26fe0504f514488343e9387cb13c94e 100644 (file)
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -571,9 +571,7 @@ static int sock_getbindtodevice(struct sock *sk, char __user *optval,
        int ret = -ENOPROTOOPT;
 #ifdef CONFIG_NETDEVICES
        struct net *net = sock_net(sk);
-       struct net_device *dev;
        char devname[IFNAMSIZ];
-       unsigned seq;
 
        if (sk->sk_bound_dev_if == 0) {
                len = 0;
@@ -584,20 +582,9 @@ static int sock_getbindtodevice(struct sock *sk, char __user *optval,
        if (len < IFNAMSIZ)
                goto out;
 
-retry:
-       seq = read_seqcount_begin(&devnet_rename_seq);
-       rcu_read_lock();
-       dev = dev_get_by_index_rcu(net, sk->sk_bound_dev_if);
-       ret = -ENODEV;
-       if (!dev) {
-               rcu_read_unlock();
+       ret = netdev_get_name(net, devname, sk->sk_bound_dev_if);
+       if (ret)
                goto out;
-       }
-
-       strcpy(devname, dev->name);
-       rcu_read_unlock();
-       if (read_seqcount_retry(&devnet_rename_seq, seq))
-               goto retry;
 
        len = strlen(devname) + 1;
 
@@ -898,7 +885,7 @@ set_rcvbuf:
 
        case SO_PEEK_OFF:
                if (sock->ops->set_peek_off)
-                       sock->ops->set_peek_off(sk, val);
+                       ret = sock->ops->set_peek_off(sk, val);
                else
                        ret = -EOPNOTSUPP;
                break;
@@ -2284,6 +2271,7 @@ void sock_init_data(struct socket *sock, struct sock *sk)
 
        sk->sk_stamp = ktime_set(-1L, 0);
 
+       sk->sk_pacing_rate = ~0U;
        /*
         * Before updating sk_refcnt, we must commit prior changes to memory
         * (Documentation/RCU/rculist_nulls.txt for details)