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-rw-r--r--net/ipv6/ip6_tunnel.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c
index 931c38f6ff4a..b263c809d8d4 100644
--- a/net/ipv6/ip6_tunnel.c
+++ b/net/ipv6/ip6_tunnel.c
@@ -1074,10 +1074,11 @@ int ip6_tnl_xmit(struct sk_buff *skb, struct net_device *dev, __u8 dsfield,
memcpy(&fl6->daddr, addr6, sizeof(fl6->daddr));
neigh_release(neigh);
}
- } else if (!(t->parms.flags &
- (IP6_TNL_F_USE_ORIG_TCLASS | IP6_TNL_F_USE_ORIG_FWMARK))) {
- /* enable the cache only only if the routing decision does
- * not depend on the current inner header value
+ } else if (t->parms.proto != 0 && !(t->parms.flags &
+ (IP6_TNL_F_USE_ORIG_TCLASS |
+ IP6_TNL_F_USE_ORIG_FWMARK))) {
+ /* enable the cache only if neither the outer protocol nor the
+ * routing decision depends on the current inner header value
*/
use_cache = true;
}