tree f3931c6bf20fa3794d1fbc3ae43de5a28bb88a73
parent e339756c9995648eecd015391f66baf2fd251fec
author Duan Jiong <duanj.fnst@cn.fujitsu.com> 1406872836 +0800
committer David S. Miller <davem@davemloft.net> 1407018455 -0700

ipv4: remove nested rcu_read_lock/unlock

ip_local_deliver_finish() already have a rcu_read_lock/unlock, so
the rcu_read_lock/unlock is unnecessary.

See the stack below:
ip_local_deliver_finish
	|
	|
	->icmp_rcv
		|
		|
		->icmp_socket_deliver

Suggested-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: Duan Jiong <duanj.fnst@cn.fujitsu.com>
Acked-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: David S. Miller <davem@davemloft.net>