summaryrefslogtreecommitdiff
path: root/net/unix
diff options
context:
space:
mode:
Diffstat (limited to 'net/unix')
-rw-r--r--net/unix/af_unix.c60
1 files changed, 31 insertions, 29 deletions
diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
index 8d9bbba..d8d98d5 100644
--- a/net/unix/af_unix.c
+++ b/net/unix/af_unix.c
@@ -1984,36 +1984,38 @@ static int unix_shutdown(struct socket *sock, int mode)
mode = (mode+1)&(RCV_SHUTDOWN|SEND_SHUTDOWN);
- if (mode) {
- unix_state_lock(sk);
- sk->sk_shutdown |= mode;
- other = unix_peer(sk);
- if (other)
- sock_hold(other);
- unix_state_unlock(sk);
- sk->sk_state_change(sk);
-
- if (other &&
- (sk->sk_type == SOCK_STREAM || sk->sk_type == SOCK_SEQPACKET)) {
-
- int peer_mode = 0;
-
- if (mode&RCV_SHUTDOWN)
- peer_mode |= SEND_SHUTDOWN;
- if (mode&SEND_SHUTDOWN)
- peer_mode |= RCV_SHUTDOWN;
- unix_state_lock(other);
- other->sk_shutdown |= peer_mode;
- unix_state_unlock(other);
- other->sk_state_change(other);
- if (peer_mode == SHUTDOWN_MASK)
- sk_wake_async(other, SOCK_WAKE_WAITD, POLL_HUP);
- else if (peer_mode & RCV_SHUTDOWN)
- sk_wake_async(other, SOCK_WAKE_WAITD, POLL_IN);
- }
- if (other)
- sock_put(other);
+ if (!mode)
+ return 0;
+
+ unix_state_lock(sk);
+ sk->sk_shutdown |= mode;
+ other = unix_peer(sk);
+ if (other)
+ sock_hold(other);
+ unix_state_unlock(sk);
+ sk->sk_state_change(sk);
+
+ if (other &&
+ (sk->sk_type == SOCK_STREAM || sk->sk_type == SOCK_SEQPACKET)) {
+
+ int peer_mode = 0;
+
+ if (mode&RCV_SHUTDOWN)
+ peer_mode |= SEND_SHUTDOWN;
+ if (mode&SEND_SHUTDOWN)
+ peer_mode |= RCV_SHUTDOWN;
+ unix_state_lock(other);
+ other->sk_shutdown |= peer_mode;
+ unix_state_unlock(other);
+ other->sk_state_change(other);
+ if (peer_mode == SHUTDOWN_MASK)
+ sk_wake_async(other, SOCK_WAKE_WAITD, POLL_HUP);
+ else if (peer_mode & RCV_SHUTDOWN)
+ sk_wake_async(other, SOCK_WAKE_WAITD, POLL_IN);
}
+ if (other)
+ sock_put(other);
+
return 0;
}