Before commit daad151263cf ("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: daad151263cf ("ipv6: Make ipv6_is_mld() inline and use it from
ip6_mc_input().")
Signed-off-by: Hermin Anggawijaya <[email protected]>
---
net/ipv6/ip6_input.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/net/ipv6/ip6_input.c b/net/ipv6/ip6_input.c
index f2e464e..57990c9 100644
--- a/net/ipv6/ip6_input.c
+++ b/net/ipv6/ip6_input.c
@@ -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 */
}
--
1.9.1
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