From: Tom Parkin <tparkin@katalix.com>
To: netdev@vger.kernel.org
Cc: Tom Parkin <tparkin@katalix.com>, James Chapman <jchapman@katalix.com>
Subject: [PATCH 06/12] l2tp: take a reference for kernel sockets in l2tp_tunnel_sock_lookup
Date: Tue, 19 Mar 2013 16:11:17 +0000 [thread overview]
Message-ID: <1363709483-24021-7-git-send-email-tparkin@katalix.com> (raw)
In-Reply-To: <1363709483-24021-1-git-send-email-tparkin@katalix.com>
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 --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);
--
1.7.9.5
next prev parent reply other threads:[~2013-03-19 16:11 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-03-19 16:11 [PATCH 00/12] l2tp bugfix patchset Tom Parkin
2013-03-19 16:11 ` [PATCH 01/12] udp: add encap_destroy callback Tom Parkin
2013-03-19 16:11 ` [PATCH 02/12] l2tp: add udp encap socket destroy handler Tom Parkin
2013-03-19 16:11 ` [PATCH 03/12] l2tp: export l2tp_tunnel_closeall Tom Parkin
2013-03-19 16:11 ` [PATCH 04/12] l2tp: close sessions in ip socket destroy callback Tom Parkin
2013-03-19 16:11 ` [PATCH 05/12] l2tp: close sessions before initiating tunnel delete Tom Parkin
2013-03-19 16:11 ` Tom Parkin [this message]
2013-03-19 16:11 ` [PATCH 07/12] l2tp: don't BUG_ON sk_socket being NULL Tom Parkin
2013-03-19 16:11 ` [PATCH 08/12] l2tp: add session reorder queue purge function to core Tom Parkin
2013-03-19 16:11 ` [PATCH 09/12] l2tp: purge session reorder queue on delete Tom Parkin
2013-03-19 16:11 ` [PATCH 10/12] l2tp: push all ppp pseudowire shutdown through .release handler Tom Parkin
2013-03-19 16:11 ` [PATCH 11/12] l2tp: avoid deadlock in l2tp stats update Tom Parkin
2013-03-19 16:11 ` [PATCH 12/12] l2tp: unhash l2tp sessions on delete, not on free Tom Parkin
2013-03-20 16:14 ` [PATCH 00/12] l2tp bugfix patchset David Miller
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