3.16.39-rc1 review patch. If anyone has any objections, please let me know.
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From: Lance Richardson <lrichard@xxxxxxxxxx>
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@xxxxxxxxxx>
Fixes: c12b395a4664 ("gre: Support GRE over IPv6")
Reviewed-by: Shmulik Ladkani <shmulik.ladkani@xxxxxxxxx>
Signed-off-by: Lance Richardson <lrichard@xxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Ben Hutchings <ben@xxxxxxxxxxxxxxx>
---
net/ipv6/ip6_gre.c | 1 -
1 file changed, 1 deletion(-)
--- a/net/ipv6/ip6_gre.c
+++ b/net/ipv6/ip6_gre.c
@@ -881,7 +881,6 @@ static int ip6gre_xmit_other(struct sk_b
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);
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