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From: Li Zefan <lizefan@huawei.com>
To: David Miller <davem@davemloft.net>
Cc: Glauber Costa <glommer@parallels.com>,
	LKML <linux-kernel@vger.kernel.org>, <netdev@vger.kernel.org>
Subject: [PATCH] tcp_memcontrol: remove a redundant statement in tcp_destroy_cgroup()
Date: Tue, 9 Apr 2013 13:59:28 +0800	[thread overview]
Message-ID: <5163AE40.40304@huawei.com> (raw)

We read the value but make no use of it.

Signed-off-by: Li Zefan <lizefan@huawei.com>
---
 net/ipv4/tcp_memcontrol.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/net/ipv4/tcp_memcontrol.c b/net/ipv4/tcp_memcontrol.c
index b6f3583..d52196f 100644
--- a/net/ipv4/tcp_memcontrol.c
+++ b/net/ipv4/tcp_memcontrol.c
@@ -72,8 +72,6 @@ void tcp_destroy_cgroup(struct mem_cgroup *memcg)
 
 	tcp = tcp_from_cgproto(cg_proto);
 	percpu_counter_destroy(&tcp->tcp_sockets_allocated);
-
-	val = res_counter_read_u64(&tcp->tcp_memory_allocated, RES_LIMIT);
 }
 EXPORT_SYMBOL(tcp_destroy_cgroup);
 
-- 
1.8.0.2

             reply	other threads:[~2013-04-09  5:59 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-04-09  5:59 Li Zefan [this message]
2013-04-09 17:19 ` [PATCH] tcp_memcontrol: remove a redundant statement in tcp_destroy_cgroup() David Miller

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