1 files changed, 6 insertions, 2 deletions

diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
index 8664ad0d5797..2ee993c7732a 100644
--- a/net/unix/af_unix.c
+++ b/net/unix/af_unix.c
@@ -529,13 +529,17 @@ static int unix_seqpacket_sendmsg(struct kiocb *, struct socket *,
 static int unix_seqpacket_recvmsg(struct kiocb *, struct socket *,
                                   struct msghdr *, size_t, int);
 
-static void unix_set_peek_off(struct sock *sk, int val)
+static int unix_set_peek_off(struct sock *sk, int val)
 {
         struct unix_sock *u = unix_sk(sk);
 
-        mutex_lock(&u->readlock);
+        if (mutex_lock_interruptible(&u->readlock))
+                return -EINTR;
+
         sk->sk_peek_off = val;
         mutex_unlock(&u->readlock);
+
+        return 0;
 }