[PATCH] net: netfilter: remove unused variable

From: Arushi Singhal
Date: Wed Mar 29 2017 - 09:38:59 EST


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
f(...);
-return len;

Signed-off-by: Arushi Singhal <arushisinghal19971997@xxxxxxxxx>
---
net/netfilter/ipvs/ip_vs_ftp.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/net/netfilter/ipvs/ip_vs_ftp.c b/net/netfilter/ipvs/ip_vs_ftp.c
index d30c327bb578..9e1e682610ef 100644
--- a/net/netfilter/ipvs/ip_vs_ftp.c
+++ b/net/netfilter/ipvs/ip_vs_ftp.c
@@ -482,11 +482,9 @@ 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);
}

/*
--
2.11.0