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* [PATCH v2] net: netfilter: remove unused variable
@ 2017-03-29 14:57 Arushi Singhal
  2017-03-30 12:55 ` Simon Horman
  0 siblings, 1 reply; 4+ messages in thread
From: Arushi Singhal @ 2017-03-29 14:57 UTC (permalink / raw)
  To: outreachy-kernel
  Cc: Wensong Zhang, Simon Horman, Julian Anastasov, Pablo Neira Ayuso,
	Jozsef Kadlecsik, David S. Miller, netdev, lvs-devel,
	netfilter-devel, coreteam, linux-kernel

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@gmail.com>
---
changes in v2
   - remove extra blank line.

 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 d30c327bb578..c93c93762354 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);
 }
 
 /*
-- 
2.11.0



^ permalink raw reply related	[flat|nested] 4+ messages in thread

end of thread, other threads:[~2017-03-31  7:15 UTC | newest]

Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
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2017-03-29 14:57 [PATCH v2] net: netfilter: remove unused variable Arushi Singhal
2017-03-30 12:55 ` Simon Horman
2017-03-30 14:08   ` Arushi Singhal
2017-03-30 14:36     ` Pablo Neira Ayuso

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