diff options
| author | Ingo Molnar <mingo@kernel.org> | 2017-03-23 07:35:15 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2017-03-23 07:35:15 +0100 |
| commit | 4ccb6aea4b3eb97c94575d1ed4bf10744169f082 (patch) | |
| tree | a2ca8bc8b567608bd4067593b752f78c895d713b /drivers/net/tun.c | |
| parent | f25d384755191690b1196776d319cb6a4e899f28 (diff) | |
| parent | 093b995e3b55a0ae0670226ddfcb05bfbf0099ae (diff) | |
Merge branch 'linus' into x86/asm, to refresh the topic tree with fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/net/tun.c')
| -rw-r--r-- | drivers/net/tun.c | 20 |
1 files changed, 16 insertions, 4 deletions
diff --git a/drivers/net/tun.c b/drivers/net/tun.c index 30863e378925..34cc3c590aa5 100644 --- a/drivers/net/tun.c +++ b/drivers/net/tun.c @@ -44,6 +44,7 @@ #include <linux/module.h> #include <linux/errno.h> #include <linux/kernel.h> +#include <linux/sched/signal.h> #include <linux/major.h> #include <linux/slab.h> #include <linux/poll.h> @@ -821,7 +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; } @@ -1102,9 +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) @@ -2569,7 +2582,6 @@ 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) { |