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pptp: lookup route with the proper net namespace 

pptp always use init_net as the net namespace to lookup
route, this will cause route lookup failed in container.

because we already set the correct net namespace to struct
sock in pptp_create,so fix this by using sock_net(sk) to
replace &init_net.

Signed-off-by: Gao feng <gaofeng@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Gao feng 2012-08-07 00:23:11 +00:00 committed by David S. Miller
parent d933d2beb1
commit 08252b3231
1 changed files with 2 additions and 2 deletions
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4
drivers/net/ppp/pptp.c
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@ -189,7 +189,7 @@ static int pptp_xmit(struct ppp_channel *chan, struct sk_buff *skb)
if (sk_pppox(po)->sk_state & PPPOX_DEAD)
goto tx_error;
rt = ip_route_output_ports(&init_net, &fl4, NULL,
rt = ip_route_output_ports(sock_net(sk), &fl4, NULL,
opt->dst_addr.sin_addr.s_addr,
opt->src_addr.sin_addr.s_addr,
0, 0, IPPROTO_GRE,
@ -468,7 +468,7 @@ static int pptp_connect(struct socket *sock, struct sockaddr *uservaddr,
po->chan.private = sk;
po->chan.ops = &pptp_chan_ops;
rt = ip_route_output_ports(&init_net, &fl4, sk,
rt = ip_route_output_ports(sock_net(sk), &fl4, sk,
opt->dst_addr.sin_addr.s_addr,
opt->src_addr.sin_addr.s_addr,
0, 0,