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authorDavid S. Miller <davem@davemloft.net>2011-04-17 17:06:15 -0700
committerDavid S. Miller <davem@davemloft.net>2011-04-17 17:06:15 -0700
commitb169f6db40605d0907458d1ff78ceac2b194a44f (patch)
tree685955d2bb913f026612e5b200529179033d5e82 /net/ipv6
parentf3c85dd560f26ceae1351e6f83e83f1322761ead (diff)
downloadblackbird-op-linux-b169f6db40605d0907458d1ff78ceac2b194a44f.tar.gz
blackbird-op-linux-b169f6db40605d0907458d1ff78ceac2b194a44f.zip
netfilter: ip6table_mangle: Fix set-but-unused variables.
The variable 'flowlabel' is set but unused in ip6t_mangle_out(). The intention here was to compare this key to the header value after mangling, and trigger a route lookup on mismatch. Make it so. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6')
-rw-r--r--net/ipv6/netfilter/ip6table_mangle.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/net/ipv6/netfilter/ip6table_mangle.c b/net/ipv6/netfilter/ip6table_mangle.c
index 679a0a3b7b3c..00d19173db7e 100644
--- a/net/ipv6/netfilter/ip6table_mangle.c
+++ b/net/ipv6/netfilter/ip6table_mangle.c
@@ -64,7 +64,8 @@ ip6t_mangle_out(struct sk_buff *skb, const struct net_device *out)
(memcmp(&ipv6_hdr(skb)->saddr, &saddr, sizeof(saddr)) ||
memcmp(&ipv6_hdr(skb)->daddr, &daddr, sizeof(daddr)) ||
skb->mark != mark ||
- ipv6_hdr(skb)->hop_limit != hop_limit))
+ ipv6_hdr(skb)->hop_limit != hop_limit ||
+ flowlabel != *((u_int32_t *)ipv6_hdr(skb))))
return ip6_route_me_harder(skb) == 0 ? ret : NF_DROP;
return ret;
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