Commit d8d211a2 authored Feb 14, 2018 by Kirill Tkhai Committed by David S. Miller Feb 15, 2018

net: Make extern and export get_net_ns()



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>

parent bdc8587a

include/linux/socket.h

+2 −0

Original line number	Diff line number	Diff line
		@@ -353,4 +353,6 @@ extern int __sys_recvmmsg(int fd, struct mmsghdr __user *mmsg, unsigned int vlen
		unsigned int flags, struct timespec *timeout);
		extern int __sys_sendmmsg(int fd, struct mmsghdr __user *mmsg,
		unsigned int vlen, unsigned int flags);

		extern struct ns_common get_net_ns(struct ns_common ns);
		#endif /* _LINUX_SOCKET_H */

net/socket.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -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)
		{