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net: tcp_memcontrol: minor: remove unused variable

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Commit 10b96f7306 (``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@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Daniel Borkmann 2013-04-14 08:29:12 +00:00 committed by David S. Miller
parent bf84a01063
commit 4731d011d6
1 changed files with 0 additions and 1 deletions
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net/ipv4/tcp_memcontrol.c
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@ -64,7 +64,6 @@ void tcp_destroy_cgroup(struct mem_cgroup *memcg)
{
struct cg_proto *cg_proto;
struct tcp_memcontrol *tcp;
u64 val;
cg_proto = tcp_prot.proto_cgroup(memcg);
if (!cg_proto)