diff mbox

[06/12] l2tp: take a reference for kernel sockets in l2tp_tunnel_sock_lookup

Message ID 1363709483-24021-7-git-send-email-tparkin@katalix.com
State Accepted, archived
Delegated to: David Miller
Headers show

Commit Message

Tom Parkin March 19, 2013, 4:11 p.m. UTC 
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>
---
 net/l2tp/l2tp_core.c |    2 ++
 1 file changed, 2 insertions(+)
diff mbox

Patch

diff --git a/net/l2tp/l2tp_core.c b/net/l2tp/l2tp_core.c
index 0dd50c0..45373fe 100644
--- a/net/l2tp/l2tp_core.c
+++ b/net/l2tp/l2tp_core.c
@@ -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);