public-mirrors/linux
1
0
Fork 0
mirror of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2025-08-05 16:54:27 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

l2tp: take a reference for kernel sockets in l2tp_tunnel_sock_lookup

Browse source 
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>
This commit is contained in:
Tom Parkin 2013-03-19 06:11:17 +00:00 • committed by David S. Miller
parent 2b551c6e7d
commit 8abbbe8ff5
1 changed files with 2 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
net/l2tp/l2tp_core.c
View file

@ -191,6 +191,7 @@ struct sock *l2tp_tunnel_sock_lookup(struct l2tp_tunnel *tunnel)
} else { } else {
/* Socket is owned by kernelspace */ /* Socket is owned by kernelspace */
sk = tunnel->sock; sk = tunnel->sock;
sock_hold(sk);
} }
out: out:
@ -209,6 +210,7 @@ void l2tp_tunnel_sock_put(struct sock *sk)
} }
sock_put(sk); sock_put(sk);
} }
sock_put(sk);
} }
EXPORT_SYMBOL_GPL(l2tp_tunnel_sock_put); EXPORT_SYMBOL_GPL(l2tp_tunnel_sock_put);