[PATCH 3/3] ipvs: remove unused variable

To: Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx>
Subject: [PATCH 3/3] ipvs: remove unused variable
Cc: lvs-devel@xxxxxxxxxxxxxxx, netdev@xxxxxxxxxxxxxxx, netfilter-devel@xxxxxxxxxxxxxxx, Wensong Zhang <wensong@xxxxxxxxxxxx>, Julian Anastasov <ja@xxxxxx>, Arushi Singhal <arushisinghal19971997@xxxxxxxxx>, Simon Horman <horms@xxxxxxxxxxxx>
From: Simon Horman <horms@xxxxxxxxxxxx>
Date: Mon, 10 Apr 2017 09:58:35 -0700
From: Arushi Singhal <arushisinghal19971997@xxxxxxxxx>

This patch uses the following coccinelle script to remove
a variable that was simply used to store the return
value of a function call before returning it:

identifier len,f;

-int len;
 ... when != len
     when strict
-len =
-return len;

Signed-off-by: Arushi Singhal <arushisinghal19971997@xxxxxxxxx>
Signed-off-by: Simon Horman <horms@xxxxxxxxxxxx>
 net/netfilter/ipvs/ip_vs_ftp.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/net/netfilter/ipvs/ip_vs_ftp.c b/net/netfilter/ipvs/ip_vs_ftp.c
index 2e2bf7428cd1..6caf4459e981 100644
--- a/net/netfilter/ipvs/ip_vs_ftp.c
+++ b/net/netfilter/ipvs/ip_vs_ftp.c
@@ -482,11 +482,8 @@ static struct pernet_operations ip_vs_ftp_ops = {
 static int __init ip_vs_ftp_init(void)
-       int rv;
-       rv = register_pernet_subsys(&ip_vs_ftp_ops);
        /* rcu_barrier() is called by netns on error */
-       return rv;
+       return register_pernet_subsys(&ip_vs_ftp_ops);

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