1 files changed, 6 insertions, 1 deletions

diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
index 1772a0e32665..d1edfa3cad61 100644
--- a/net/unix/af_unix.c
+++ b/net/unix/af_unix.c
@@ -430,7 +430,12 @@ static int unix_dgram_peer_wake_me(struct sock *sk, struct sock *other)
 
         connected = unix_dgram_peer_wake_connect(sk, other);
 
-        if (unix_recvq_full(other))
+        /* If other is SOCK_DEAD, we want to make sure we signal
+         * POLLOUT, such that a subsequent write() can get a
+         * -ECONNREFUSED. Otherwise, if we haven't queued any skbs
+         * to other and its full, we will hang waiting for POLLOUT.
+         */
+        if (unix_recvq_full(other) && !sock_flag(other, SOCK_DEAD))
                 return 1;
 
         if (connected)