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authorDavid S. Miller <davem@davemloft.net>2017-11-02 14:59:52 +0900
committerDavid S. Miller <davem@davemloft.net>2017-11-02 15:23:39 +0900
commited29668d1aa2c6f01e61dd616df13b5241cee7e0 (patch)
treea086cf6311ed8623b292d3ea8d73c03f53207be0 /net/l2tp
parent65c959a39b7e9ad6b443b74904486b4a75b0232f (diff)
parent3a99df9a3d14cd866b5516f8cba515a3bfd554ab (diff)
downloadop-kernel-dev-ed29668d1aa2c6f01e61dd616df13b5241cee7e0.zip
op-kernel-dev-ed29668d1aa2c6f01e61dd616df13b5241cee7e0.tar.gz
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Smooth Cong Wang's bug fix into 'net-next'. Basically put the bulk of the tcf_block_put() logic from 'net' into tcf_block_put_ext(), but after the offload unbind. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/l2tp')
-rw-r--r--net/l2tp/l2tp_ppp.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/net/l2tp/l2tp_ppp.c b/net/l2tp/l2tp_ppp.c
index 535db83..5f5c78b 100644
--- a/net/l2tp/l2tp_ppp.c
+++ b/net/l2tp/l2tp_ppp.c
@@ -641,6 +641,7 @@ static int pppol2tp_connect(struct socket *sock, struct sockaddr *uservaddr,
u32 tunnel_id, peer_tunnel_id;
u32 session_id, peer_session_id;
bool drop_refcnt = false;
+ bool drop_tunnel = false;
int ver = 2;
int fd;
@@ -709,7 +710,9 @@ static int pppol2tp_connect(struct socket *sock, struct sockaddr *uservaddr,
if (tunnel_id == 0)
goto end;
- tunnel = l2tp_tunnel_find(sock_net(sk), tunnel_id);
+ tunnel = l2tp_tunnel_get(sock_net(sk), tunnel_id);
+ if (tunnel)
+ drop_tunnel = true;
/* Special case: create tunnel context if session_id and
* peer_session_id is 0. Otherwise look up tunnel using supplied
@@ -837,6 +840,8 @@ out_no_ppp:
end:
if (drop_refcnt)
l2tp_session_dec_refcount(session);
+ if (drop_tunnel)
+ l2tp_tunnel_dec_refcount(tunnel);
release_sock(sk);
return error;
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