linux-kernel - [PATCH 4/4] staging: cxt1e1: remove redundant memset() call

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Message-ID: <4020896.c5rtjv8Izs@daeseok-laptop.cloud.net>
Date:	Fri, 07 Mar 2014 09:04:26 +0900
From:	Daeseok Youn <daeseok.youn@...il.com>
To:	gregkh@...uxfoundation.org
Cc:	tklauser@...tanz.ch, shaun@...source.ca, sachin.kamat@...aro.org,
	dulshani.gunawardhana89@...il.com, ying.xue@...driver.com,
	davem@...emloft.net, dan.carpenter@...cle.com,
	devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org
Subject: [PATCH 4/4] staging: cxt1e1: remove redundant memset() call


The name array doens't need to set to 0. Because
sprintf/snprintf adds a terminating '\0'.

And also it doesn't need to assign name array
address to np pointer.

Signed-off-by: Daeseok Youn <daeseok.youn@...il.com>
---
 drivers/staging/cxt1e1/linux.c |    8 +++-----
 1 files changed, 3 insertions(+), 5 deletions(-)

diff --git a/drivers/staging/cxt1e1/linux.c b/drivers/staging/cxt1e1/linux.c
index 5d7ddd4..efd3eb8 100644
--- a/drivers/staging/cxt1e1/linux.c
+++ b/drivers/staging/cxt1e1/linux.c
@@ -204,15 +204,13 @@ status_t
 c4_wq_port_init(mpi_t *pi)
 {
 
-	char        name[16], *np;  /* NOTE: name of the queue limited by system
+	char        name[16];  /* NOTE: name of the queue limited by system
 				     * to 10 characters */
-
 	if (pi->wq_port)
 		return 0;                   /* already initialized */
 
-	np = name;
-	memset(name, 0, 16);
-	sprintf(np, "%s%d", pi->up->devname, pi->portnum); /* IE pmcc4-01) */
+	/* IE pmcc4-01 */
+	snprintf(name, sizeof(name), "%s%d", pi->up->devname, pi->portnum);
 
 #ifdef RLD_RESTART_DEBUG
 	pr_info(">> %s: creating workqueue <%s> for Port %d.\n",
-- 
1.7.4.4


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