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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-03-27 10:19:32 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-03-27 10:19:32 +0300
commite47ff590cc57a3468c1f77e5f2494bbaefdd4371 (patch)
tree7c71b3832c0d805b0ee6daa1aaaa50326b65654f /drivers/net/tun.c
parent2e58cafa0bbde529a9f44300382f60f6ce46d7d2 (diff)
parentc02ed2e75ef4c74e41e421acb4ef1494671585e8 (diff)
downloadlinux-e47ff590cc57a3468c1f77e5f2494bbaefdd4371.tar.xz
Merge 4.11-rc4 into usb-next
This resolves a merge issue in the gadget code, and we want the USB fixes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/net/tun.c')
-rw-r--r--drivers/net/tun.c21
1 files changed, 17 insertions, 4 deletions
diff --git a/drivers/net/tun.c b/drivers/net/tun.c
index dc1b1dd9157c..cc88cd7856f5 100644
--- a/drivers/net/tun.c
+++ b/drivers/net/tun.c
@@ -822,7 +822,18 @@ static void tun_net_uninit(struct net_device *dev)
/* Net device open. */
static int tun_net_open(struct net_device *dev)
{
+ struct tun_struct *tun = netdev_priv(dev);
+ int i;
+
netif_tx_start_all_queues(dev);
+
+ for (i = 0; i < tun->numqueues; i++) {
+ struct tun_file *tfile;
+
+ tfile = rtnl_dereference(tun->tfiles[i]);
+ tfile->socket.sk->sk_write_space(tfile->socket.sk);
+ }
+
return 0;
}
@@ -1103,9 +1114,10 @@ static unsigned int tun_chr_poll(struct file *file, poll_table *wait)
if (!skb_array_empty(&tfile->tx_array))
mask |= POLLIN | POLLRDNORM;
- if (sock_writeable(sk) ||
- (!test_and_set_bit(SOCKWQ_ASYNC_NOSPACE, &sk->sk_socket->flags) &&
- sock_writeable(sk)))
+ if (tun->dev->flags & IFF_UP &&
+ (sock_writeable(sk) ||
+ (!test_and_set_bit(SOCKWQ_ASYNC_NOSPACE, &sk->sk_socket->flags) &&
+ sock_writeable(sk))))
mask |= POLLOUT | POLLWRNORM;
if (tun->dev->reg_state != NETREG_REGISTERED)
@@ -1919,6 +1931,8 @@ static int set_offload(struct tun_struct *tun, unsigned long arg)
return -EINVAL;
tun->set_features = features;
+ tun->dev->wanted_features &= ~TUN_USER_FEATURES;
+ tun->dev->wanted_features |= features;
netdev_update_features(tun->dev);
return 0;
@@ -2570,7 +2584,6 @@ static int __init tun_init(void)
int ret = 0;
pr_info("%s, %s\n", DRV_DESCRIPTION, DRV_VERSION);
- pr_info("%s\n", DRV_COPYRIGHT);
ret = rtnl_link_register(&tun_link_ops);
if (ret) {