1 files changed, 9 insertions, 4 deletions

diff --git a/drivers/net/macvtap.c b/drivers/net/macvtap.c
index d97e1fd234ba..1c4110df343e 100644
--- a/drivers/net/macvtap.c
+++ b/drivers/net/macvtap.c
@@ -37,6 +37,7 @@
 struct macvtap_queue {
         struct sock sk;
         struct socket sock;
+        struct socket_wq wq;
         struct macvlan_dev *vlan;
         struct file *file;
         unsigned int flags;
@@ -242,12 +243,15 @@ static struct rtnl_link_ops macvtap_link_ops __read_mostly = {
 
 static void macvtap_sock_write_space(struct sock *sk)
 {
+        wait_queue_head_t *wqueue;
+
         if (!sock_writeable(sk) ||
             !test_and_clear_bit(SOCK_ASYNC_NOSPACE, &sk->sk_socket->flags))
                 return;
 
-        if (sk_sleep(sk) && waitqueue_active(sk_sleep(sk)))
-                wake_up_interruptible_poll(sk_sleep(sk), POLLOUT | POLLWRNORM | POLLWRBAND);
+        wqueue = sk_sleep(sk);
+        if (wqueue && waitqueue_active(wqueue))
+                wake_up_interruptible_poll(wqueue, POLLOUT | POLLWRNORM | POLLWRBAND);
 }
 
 static int macvtap_open(struct inode *inode, struct file *file)
@@ -272,7 +276,8 @@ static int macvtap_open(struct inode *inode, struct file *file)
         if (!q)
                 goto out;
 
-        init_waitqueue_head(&q->sock.wait);
+        q->sock.wq = &q->wq;
+        init_waitqueue_head(&q->wq.wait);
         q->sock.type = SOCK_RAW;
         q->sock.state = SS_CONNECTED;
         q->sock.file = file;
@@ -308,7 +313,7 @@ static unsigned int macvtap_poll(struct file *file, poll_table * wait)
                 goto out;
 
         mask = 0;
-        poll_wait(file, &q->sock.wait, wait);
+        poll_wait(file, &q->wq.wait, wait);
 
         if (!skb_queue_empty(&q->sk.sk_receive_queue))
                 mask |= POLLIN | POLLRDNORM;