netdev - Re: [PATCH net-next] net: tcp_memcontrol: minor: remove unused variable

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Message-Id: <20130414.154332.129643215230923982.davem@davemloft.net>
Date:	Sun, 14 Apr 2013 15:43:32 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	dborkman@...hat.com
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH net-next] net: tcp_memcontrol: minor: remove unused
 variable

From: Daniel Borkmann <dborkman@...hat.com>
Date: Sun, 14 Apr 2013 20:29:12 +0200

> Commit 10b96f7306e5 (``tcp_memcontrol: remove a redundant statement
> in tcp_destroy_cgroup()'') says ``We read the value but make no use
> of it.'', but forgot to remove the variable declaration as well. This
> was a follow-up commit of 3f1346193 (``memcg: decrement static keys
> at real destroy time'') that removed the read of variable 'val'.
> 
> This fixes therefore:
> 
>   CC      net/ipv4/tcp_memcontrol.o
> net/ipv4/tcp_memcontrol.c: In function ‘tcp_destroy_cgroup’:
> net/ipv4/tcp_memcontrol.c:67:6: warning: unused variable ‘val’ [-Wunused-variable]
> 
> Signed-off-by: Daniel Borkmann <dborkman@...hat.com>

Applied.