ipv4: Remove redundant RCU locking in ip_check_mc().
All callers are under rcu_read_lock() protection already.
Rename to ip_check_mc_rcu() to make it even more clear.
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index ac32d8f..f6730d9 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -2309,8 +2309,8 @@
struct in_device *in_dev = __in_dev_get_rcu(dev);
if (in_dev) {
- int our = ip_check_mc(in_dev, daddr, saddr,
- ip_hdr(skb)->protocol);
+ int our = ip_check_mc_rcu(in_dev, daddr, saddr,
+ ip_hdr(skb)->protocol);
if (our
#ifdef CONFIG_IP_MROUTE
||
@@ -2368,8 +2368,8 @@
fi = NULL;
} else if (type == RTN_MULTICAST) {
flags |= RTCF_MULTICAST | RTCF_LOCAL;
- if (!ip_check_mc(in_dev, oldflp->fl4_dst, oldflp->fl4_src,
- oldflp->proto))
+ if (!ip_check_mc_rcu(in_dev, oldflp->fl4_dst, oldflp->fl4_src,
+ oldflp->proto))
flags &= ~RTCF_LOCAL;
/* If multicast route do not exist use
* default one, but do not gateway in this case.