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alistair23-linux
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ipv6: Make MLD packets to only be processed locally 

Before commit daad151263 ("ipv6: Make ipv6_is_mld() inline and use it
from ip6_mc_input().") MLD packets were only processed locally. After the
change, a copy of MLD packet goes through ip6_mr_input, causing
MRT6MSG_NOCACHE message to be generated to user space.

Make MLD packet only processed locally.

Fixes: daad151263 ("ipv6: Make ipv6_is_mld() inline and use it from ip6_mc_input().")
Signed-off-by: Hermin Anggawijaya <hermin.anggawijaya@alliedtelesis.co.nz>
Signed-off-by: David S. Miller <davem@davemloft.net>
hifive-unleashed-5.1
Angga 2015-07-03 14:40:52 +12:00 committed by David S. Miller
parent 92b80eb33c
commit 4c938d22c8
1 changed files with 3 additions and 3 deletions
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6
net/ipv6/ip6_input.c
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@ -331,10 +331,10 @@ int ip6_mc_input(struct sk_buff *skb)
if (offset < 0)
goto out;
if (!ipv6_is_mld(skb, nexthdr, offset))
goto out;
if (ipv6_is_mld(skb, nexthdr, offset))
deliver = true;
deliver = true;
goto out;
}
/* unknown RA - process it normally */
}