1 files changed, 6 insertions, 9 deletions

diff --git a/drivers/net/tun.c b/drivers/net/tun.c
index 95ae40ab8718..735bf41c654a 100644
--- a/drivers/net/tun.c
+++ b/drivers/net/tun.c
@@ -93,7 +93,6 @@ struct tun_file {
         atomic_t count;
         struct tun_struct *tun;
         struct net *net;
-        wait_queue_head_t       read_wait;
 };
 
 struct tun_sock;
@@ -331,7 +330,7 @@ static void tun_net_uninit(struct net_device *dev)
         /* Inform the methods they need to stop using the dev.
          */
         if (tfile) {
-                wake_up_all(&tfile->read_wait);
+                wake_up_all(&tun->socket.wait);
                 if (atomic_dec_and_test(&tfile->count))
                         __tun_detach(tun);
         }
@@ -398,7 +397,7 @@ static int tun_net_xmit(struct sk_buff *skb, struct net_device *dev)
         /* Notify and wake up reader process */
         if (tun->flags & TUN_FASYNC)
                 kill_fasync(&tun->fasync, SIGIO, POLL_IN);
-        wake_up_interruptible(&tun->tfile->read_wait);
+        wake_up_interruptible(&tun->socket.wait);
         return 0;
 
 drop:
@@ -495,7 +494,7 @@ static unsigned int tun_chr_poll(struct file *file, poll_table * wait)
 
         DBG(KERN_INFO "%s: tun_chr_poll\n", tun->dev->name);
 
-        poll_wait(file, &tfile->read_wait, wait);
+        poll_wait(file, &tun->socket.wait, wait);
 
         if (!skb_queue_empty(&tun->readq))
                 mask |= POLLIN | POLLRDNORM;
@@ -768,7 +767,7 @@ static ssize_t tun_chr_aio_read(struct kiocb *iocb, const struct iovec *iv,
                 goto out;
         }
 
-        add_wait_queue(&tfile->read_wait, &wait);
+        add_wait_queue(&tun->socket.wait, &wait);
         while (len) {
                 current->state = TASK_INTERRUPTIBLE;
 
@@ -799,7 +798,7 @@ static ssize_t tun_chr_aio_read(struct kiocb *iocb, const struct iovec *iv,
         }
 
         current->state = TASK_RUNNING;
-        remove_wait_queue(&tfile->read_wait, &wait);
+        remove_wait_queue(&tun->socket.wait, &wait);
 
 out:
         tun_put(tun);
@@ -867,7 +866,6 @@ static int tun_set_iff(struct net *net, struct file *file, struct ifreq *ifr)
         struct sock *sk;
         struct tun_struct *tun;
         struct net_device *dev;
-        struct tun_file *tfile = file->private_data;
         int err;
 
         dev = __dev_get_by_name(net, ifr->ifr_name);
@@ -925,10 +923,10 @@ static int tun_set_iff(struct net *net, struct file *file, struct ifreq *ifr)
                 if (!sk)
                         goto err_free_dev;
 
+                init_waitqueue_head(&tun->socket.wait);
                 sock_init_data(&tun->socket, sk);
                 sk->sk_write_space = tun_sock_write_space;
                 sk->sk_sndbuf = INT_MAX;
-                sk->sk_sleep = &tfile->read_wait;
 
                 tun->sk = sk;
                 container_of(sk, struct tun_sock, sk)->tun = tun;
@@ -1270,7 +1268,6 @@ static int tun_chr_open(struct inode *inode, struct file * file)
         atomic_set(&tfile->count, 0);
         tfile->tun = NULL;
         tfile->net = get_net(current->nsproxy->net_ns);
-        init_waitqueue_head(&tfile->read_wait);
         file->private_data = tfile;
         return 0;
 }