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authorBenjamin LaHaise <bcrl@kvack.org>2012-03-20 03:57:54 +0000
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-04-02 09:53:07 -0700
commit9ec476d98f2ee3e851549e2a926a3db9477f4807 (patch)
tree7d91c551df6eda033f5138dec5230be0aa9ace54 /net
parent982b8bf53d1b4a8ab091d9218ce71b817a19fbb4 (diff)
Fix pppol2tp getsockname()
[ Upstream commit bbdb32cb5b73597386913d052165423b9d736145 ] While testing L2TP functionality, I came across a bug in getsockname(). The IP address returned within the pppol2tp_addr's addr memember was not being set to the IP address in use. This bug is caused by using inet_sk() on the wrong socket (the L2TP socket rather than the underlying UDP socket), and was likely introduced during the addition of L2TPv3 support. Signed-off-by: Benjamin LaHaise <bcrl@kvack.org> Signed-off-by: James Chapman <jchapman@katalix.com> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'net')
-rw-r--r--net/l2tp/l2tp_ppp.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/l2tp/l2tp_ppp.c b/net/l2tp/l2tp_ppp.c
index 8a90d756c904..b1bd16f142bd 100644
--- a/net/l2tp/l2tp_ppp.c
+++ b/net/l2tp/l2tp_ppp.c
@@ -915,7 +915,7 @@ static int pppol2tp_getname(struct socket *sock, struct sockaddr *uaddr,
goto end_put_sess;
}
- inet = inet_sk(sk);
+ inet = inet_sk(tunnel->sock);
if (tunnel->version == 2) {
struct sockaddr_pppol2tp sp;
len = sizeof(sp);