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authorGao Feng <fgao@ikuai8.com>2017-04-26 19:04:04 +0800
committerDavid S. Miller <davem@davemloft.net>2017-04-27 16:33:30 -0400
commit06b4fc520d21b7a6327983d64373505859672e91 (patch)
treed0abbfdff4e030032326768ceff06967d83bb25a /net/ipv4
parent1514dc857f8ebbeb44da09236efa133ed6e15615 (diff)
net: fib: Decrease one unnecessary rt cache flush in fib_disable_ip
The func fib_flush already flushes the rt cache if necessary, so it is not necessary to invoke rt_cache_flush again in fib_disable_ip. Signed-off-by: Gao Feng <fgao@ikuai8.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4')
-rw-r--r--net/ipv4/fib_frontend.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c
index 5a0e456b5d58..39bd1edee676 100644
--- a/net/ipv4/fib_frontend.c
+++ b/net/ipv4/fib_frontend.c
@@ -1130,7 +1130,8 @@ static void fib_disable_ip(struct net_device *dev, unsigned long event,
{
if (fib_sync_down_dev(dev, event, force))
fib_flush(dev_net(dev));
- rt_cache_flush(dev_net(dev));
+ else
+ rt_cache_flush(dev_net(dev));
arp_ifdown(dev);
}