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authorDavid S. Miller <davem@davemloft.net>2010-11-11 17:07:48 -0800
committerDavid S. Miller <davem@davemloft.net>2010-11-11 17:07:48 -0800
commitc753796769e4fb0cd813b6e5801b3c01f4681d4f (patch)
treef137ec0b76593a2aa1a6a263bcc1e4cf82bdf7b5 /net/ipv4/igmp.c
parented1deb7021b4dfee1d544b91edff4ef92f5c3b54 (diff)
ipv4: Make rt->fl.iif tests lest obscure.
When we test rt->fl.iif against zero, we're seeing if it's an output or an input route. Make that explicit with some helper functions. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/igmp.c')
-rw-r--r--net/ipv4/igmp.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c
index c8877c6c7216..08d0d81ffc15 100644
--- a/net/ipv4/igmp.c
+++ b/net/ipv4/igmp.c
@@ -961,7 +961,7 @@ int igmp_rcv(struct sk_buff *skb)
case IGMP_HOST_MEMBERSHIP_REPORT:
case IGMPV2_HOST_MEMBERSHIP_REPORT:
/* Is it our report looped back? */
- if (skb_rtable(skb)->fl.iif == 0)
+ if (rt_is_output_route(skb_rtable(skb)))
break;
/* don't rely on MC router hearing unicast reports */
if (skb->pkt_type == PACKET_MULTICAST ||