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ipv6: change ipv6_stub_impl.ipv6_dst_lookup to take net argument

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This patch adds net argument to ipv6_stub_impl.ipv6_dst_lookup
for use cases where sk is not available (like mpls).
sk appears to be needed to get the namespace 'net' and is optional
otherwise. This patch series changes ipv6_stub_impl.ipv6_dst_lookup
to take net argument. sk remains optional.

All callers of ipv6_stub_impl.ipv6_dst_lookup have been modified
to pass net. I have modified them to use already available
'net' in the scope of the call. I can change them to
sock_net(sk) to avoid any unintended change in behaviour if sock
namespace is different. They dont seem to be from code inspection.

Signed-off-by: Roopa Prabhu <roopa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Roopa Prabhu
2015-07-30 13:34:53 -07:00
committed by David S. Miller
parent d3aa45ce6b
commit 343d60aada
7 changed files with 26 additions and 15 deletions
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3
net/tipc/udp_media.c
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@@ -194,7 +194,8 @@ static int tipc_udp_send_msg(struct net *net, struct sk_buff *skb,
.saddr = src->ipv6,
.flowi6_proto = IPPROTO_UDP
};
err = ipv6_stub->ipv6_dst_lookup(ub->ubsock->sk, &ndst, &fl6);
err = ipv6_stub->ipv6_dst_lookup(net, ub->ubsock->sk, &ndst,
&fl6);
if (err)
goto tx_error;
ttl = ip6_dst_hoplimit(ndst);