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net: Make extern and export get_net_ns()

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This function will be used to obtain net of tun device.

Signed-off-by: Kirill Tkhai <ktkhai@virtuozzo.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Kirill Tkhai 2018-02-14 16:39:56 +03:00 • committed by David S. Miller
parent bdc8587ad7
commit d8d211a2a0
2 changed files with 4 additions and 1 deletions
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3
net/socket.c
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@ -990,10 +990,11 @@ static long sock_do_ioctl(struct net *net, struct socket *sock,
* what to do with it - that's up to the protocol still.
*/
static struct ns_common *get_net_ns(struct ns_common *ns)
struct ns_common *get_net_ns(struct ns_common *ns)
{
return &get_net(container_of(ns, struct net, ns))->ns;
}
EXPORT_SYMBOL_GPL(get_net_ns);
static long sock_ioctl(struct file *file, unsigned cmd, unsigned long arg)
{