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ip6_gre: fix flowi6_proto value in ip6gre_xmit_other()

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commit db32e4e49ce2b0e5fcc17803d011a401c0a637f6 upstream.

Similar to commit 3be07244b733 ("ip6_gre: fix flowi6_proto value in
xmit path"), set flowi6_proto to IPPROTO_GRE for output route lookup.

Up until now, ip6gre_xmit_other() has set flowi6_proto to a bogus value.
This affected output route lookup for packets sent on an ip6gretap device
in cases where routing was dependent on the value of flowi6_proto.

Since the correct proto is already set in the tunnel flowi6 template via
commit 252f3f5a1189 ("ip6_gre: Set flowi6_proto as IPPROTO_GRE in xmit
path."), simply delete the line setting the incorrect flowi6_proto value.

Suggested-by: Jiri Benc <jbenc@redhat.com>
Fixes: c12b395a46 ("gre: Support GRE over IPv6")
Reviewed-by: Shmulik Ladkani <shmulik.ladkani@gmail.com>
Signed-off-by: Lance Richardson <lrichard@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Willy Tarreau <w@1wt.eu>
This commit is contained in:
Lance Richardson 2016-09-23 15:50:29 -04:00 committed by syphyr
parent 9002afb76d
commit b89ef29eb1
1 changed files with 0 additions and 1 deletions
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net/ipv6/ip6_gre.c
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@ -892,7 +892,6 @@ static int ip6gre_xmit_other(struct sk_buff *skb, struct net_device *dev)
encap_limit = t->parms.encap_limit;
memcpy(&fl6, &t->fl.u.ip6, sizeof(fl6));
fl6.flowi6_proto = skb->protocol;
err = ip6gre_xmit2(skb, dev, 0, &fl6, encap_limit, &mtu);