diff options
| -rw-r--r-- | net/unix/af_unix.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c index efb706e1d1c0..ac011b97097d 100644 --- a/net/unix/af_unix.c +++ b/net/unix/af_unix.c @@ -1914,8 +1914,10 @@ static int unix_dgram_recvmsg(struct socket *sock, struct msghdr *msg, goto out_unlock; } - wake_up_interruptible_sync_poll(&u->peer_wait, - POLLOUT | POLLWRNORM | POLLWRBAND); + if (wq_has_sleeper(&u->peer_wait)) + wake_up_interruptible_sync_poll(&u->peer_wait, + POLLOUT | POLLWRNORM | + POLLWRBAND); if (msg->msg_name) unix_copy_addr(msg, skb->sk); |