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Diffstat (limited to 'net/unix/af_unix.c')
-rw-r--r--net/unix/af_unix.c17
1 files changed, 13 insertions, 4 deletions
diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
index df5997d2582..de870184e45 100644
--- a/net/unix/af_unix.c
+++ b/net/unix/af_unix.c
@@ -1728,7 +1728,11 @@ static int unix_dgram_recvmsg(struct kiocb *iocb, struct socket *sock,
msg->msg_namelen = 0;
- mutex_lock(&u->readlock);
+ err = mutex_lock_interruptible(&u->readlock);
+ if (err) {
+ err = sock_intr_errno(sock_rcvtimeo(sk, noblock));
+ goto out;
+ }
skb = skb_recv_datagram(sk, flags, noblock, &err);
if (!skb) {
@@ -1868,7 +1872,11 @@ static int unix_stream_recvmsg(struct kiocb *iocb, struct socket *sock,
memset(&tmp_scm, 0, sizeof(tmp_scm));
}
- mutex_lock(&u->readlock);
+ err = mutex_lock_interruptible(&u->readlock);
+ if (err) {
+ err = sock_intr_errno(timeo);
+ goto out;
+ }
do {
int chunk;
@@ -1899,11 +1907,12 @@ static int unix_stream_recvmsg(struct kiocb *iocb, struct socket *sock,
timeo = unix_stream_data_wait(sk, timeo);
- if (signal_pending(current)) {
+ if (signal_pending(current)
+ || mutex_lock_interruptible(&u->readlock)) {
err = sock_intr_errno(timeo);
goto out;
}
- mutex_lock(&u->readlock);
+
continue;
unlock:
unix_state_unlock(sk);