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gtp: put back reference to netns when not required anymore 

This patch fixes a netns leak.

Fixes: 93edb8c7f9 ("gtp: reload GTPv1 header after pskb_may_pull()")
Reported-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Pablo Neira 2016-05-12 17:16:31 +02:00 committed by David S. Miller
parent 7fd38193d0
commit 27ee441a43
1 changed files with 12 additions and 3 deletions
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15
drivers/net/gtp.c
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@ -1028,8 +1028,11 @@ static int gtp_genl_new_pdp(struct sk_buff *skb, struct genl_info *info)
/* Check if there's an existing gtpX device to configure */
dev = gtp_find_dev(net, nla_get_u32(info->attrs[GTPA_LINK]));
if (dev == NULL)
if (dev == NULL) {
put_net(net);
return -ENODEV;
}
put_net(net);
return ipv4_pdp_add(dev, info);
}
@ -1051,8 +1054,11 @@ static int gtp_genl_del_pdp(struct sk_buff *skb, struct genl_info *info)
/* Check if there's an existing gtpX device to configure */
dev = gtp_find_dev(net, nla_get_u32(info->attrs[GTPA_LINK]));
if (dev == NULL)
if (dev == NULL) {
put_net(net);
return -ENODEV;
}
put_net(net);
gtp = netdev_priv(dev);
@ -1163,8 +1169,11 @@ static int gtp_genl_get_pdp(struct sk_buff *skb, struct genl_info *info)
/* Check if there's an existing gtpX device to configure */
dev = gtp_find_dev(net, nla_get_u32(info->attrs[GTPA_LINK]));
if (dev == NULL)
if (dev == NULL) {
put_net(net);
return -ENODEV;
}
put_net(net);
gtp = netdev_priv(dev);