Commit 8abbbe8f authored Mar 19, 2013 by Tom Parkin Committed by David S. Miller Mar 20, 2013

l2tp: take a reference for kernel sockets in l2tp_tunnel_sock_lookup



When looking up the tunnel socket in struct l2tp_tunnel, hold a reference
whether the socket was created by the kernel or by userspace.

Signed-off-by: Tom Parkin <tparkin@katalix.com>
Signed-off-by: James Chapman <jchapman@katalix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent 2b551c6e

net/l2tp/l2tp_core.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -191,6 +191,7 @@ struct sock l2tp_tunnel_sock_lookup(struct l2tp_tunnel tunnel)
		} else {
		/* Socket is owned by kernelspace */
		sk = tunnel->sock;
		sock_hold(sk);
		}

		out:
		@@ -209,6 +210,7 @@ void l2tp_tunnel_sock_put(struct sock *sk)
		}
		sock_put(sk);
		}
		sock_put(sk);
		}
		EXPORT_SYMBOL_GPL(l2tp_tunnel_sock_put);