aboutsummaryrefslogtreecommitdiff
path: root/net/core/sock.c
diff options
context:
space:
mode:
Diffstat (limited to 'net/core/sock.c')
-rw-r--r--net/core/sock.c17
1 files changed, 2 insertions, 15 deletions
diff --git a/net/core/sock.c b/net/core/sock.c
index 88868a9d21d..d6d024cfaaa 100644
--- 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;