diff options
Diffstat (limited to 'net/netlink/af_netlink.c')
| -rw-r--r-- | net/netlink/af_netlink.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c index 70bcd4744d9..3405fdf41b9 100644 --- a/net/netlink/af_netlink.c +++ b/net/netlink/af_netlink.c @@ -315,8 +315,8 @@ err: static void netlink_remove(struct sock *sk) { netlink_table_grab(); - nl_table[sk->sk_protocol].hash.entries--; - sk_del_node_init(sk); + if (sk_del_node_init(sk)) + nl_table[sk->sk_protocol].hash.entries--; if (nlk_sk(sk)->groups) __sk_del_bind_node(sk); netlink_table_ungrab(); @@ -429,7 +429,12 @@ retry: err = netlink_insert(sk, pid); if (err == -EADDRINUSE) goto retry; - return 0; + + /* If 2 threads race to autobind, that is fine. */ + if (err == -EBUSY) + err = 0; + + return err; } static inline int netlink_capable(struct socket *sock, unsigned int flag) @@ -853,7 +858,7 @@ static inline void netlink_rcv_wake(struct sock *sk) { struct netlink_sock *nlk = nlk_sk(sk); - if (!skb_queue_len(&sk->sk_receive_queue)) + if (skb_queue_empty(&sk->sk_receive_queue)) clear_bit(0, &nlk->state); if (!test_bit(0, &nlk->state)) wake_up_interruptible(&nlk->wait); |