LVS
lvs-devel
Google
 
Web LinuxVirtualServer.org

[PATCH] net-ipvs: Delete an unnecessary check before the function call "

To: "David S. Miller" <davem@xxxxxxxxxxxxx>, Jozsef Kadlecsik <kadlec@xxxxxxxxxxxxxxxxx>, Julian Anastasov <ja@xxxxxx>, Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx>, Patrick McHardy <kaber@xxxxxxxxx>, Simon Horman <horms@xxxxxxxxxxxx>, Wensong Zhang <wensong@xxxxxxxxxxxx>, netdev@xxxxxxxxxxxxxxx, lvs-devel@xxxxxxxxxxxxxxx, netfilter-devel@xxxxxxxxxxxxxxx, coreteam@xxxxxxxxxxxxx
Subject: [PATCH] net-ipvs: Delete an unnecessary check before the function call "module_put"
Cc: LKML <linux-kernel@xxxxxxxxxxxxxxx>, "kernel-janitors@xxxxxxxxxxxxxxx" <kernel-janitors@xxxxxxxxxxxxxxx>, Julia Lawall <julia.lawall@xxxxxxx>
From: SF Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
Date: Thu, 02 Jul 2015 17:10:41 +0200
From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
Date: Thu, 2 Jul 2015 17:00:14 +0200

The module_put() function tests whether its argument is NULL and then
returns immediately. Thus the test around the call is not needed.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
---
 net/netfilter/ipvs/ip_vs_sched.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/netfilter/ipvs/ip_vs_sched.c b/net/netfilter/ipvs/ip_vs_sched.c
index 199760c..e50221b 100644
--- a/net/netfilter/ipvs/ip_vs_sched.c
+++ b/net/netfilter/ipvs/ip_vs_sched.c
@@ -137,7 +137,7 @@ struct ip_vs_scheduler *ip_vs_scheduler_get(const char 
*sched_name)
 
 void ip_vs_scheduler_put(struct ip_vs_scheduler *scheduler)
 {
-       if (scheduler && scheduler->module)
+       if (scheduler)
                module_put(scheduler->module);
 }
 
-- 
2.4.5

--
To unsubscribe from this list: send the line "unsubscribe lvs-devel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html

<Prev in Thread] Current Thread [Next in Thread>