commit ad959e76f0fa94d299a8c25cb45de4d1b845e9ce
author Eric Dumazet <eric.dumazet@gmail.com> Fri Oct 16 06:38:46 2009 +0000
committer David S. Miller <davem@davemloft.net> Tue Oct 20 01:02:06 2009 -0700
tree fb073c78ce30a020d5b0bb75ac459af79011e991
parent 94b059520d6c0cea852dc9a3e9033c6f123df7c1

af_packet: mc_drop/flush_mclist changes

We hold RTNL, we can use __dev_get_by_index() instead of dev_get_by_index()

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/packet/af_packet.c

diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index dac775e..ff752c6 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -1664,11 +1664,9 @@
 			if (--ml->count == 0) {
 				struct net_device *dev;
 				*mlp = ml->next;
-				dev = dev_get_by_index(sock_net(sk), ml->ifindex);
-				if (dev) {
+				dev = __dev_get_by_index(sock_net(sk), ml->ifindex);
+				if (dev)
 					packet_dev_mc(dev, ml, -1);
-					dev_put(dev);
-				}
 				kfree(ml);
 			}
 			rtnl_unlock();
@@ -1692,11 +1690,9 @@
 		struct net_device *dev;
 
 		po->mclist = ml->next;
-		dev = dev_get_by_index(sock_net(sk), ml->ifindex);
-		if (dev != NULL) {
+		dev = __dev_get_by_index(sock_net(sk), ml->ifindex);
+		if (dev != NULL)
 			packet_dev_mc(dev, ml, -1);
-			dev_put(dev);
-		}
 		kfree(ml);
 	}
 	rtnl_unlock();