linux-kernel - [PATCH v2 2/9] staging: rtl8192u: Use memset to initialize memory, instead of loop.

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Date:   Wed,  4 Jul 2018 15:20:49 +0100
From:   John Whitmore <johnfwhitmore@...il.com>
To:     linux-kernel@...r.kernel.org
Cc:     devel@...verdev.osuosl.org, insafonov@...il.com,
        baijiaju1990@...il.com, keescook@...omium.org, joe@...ches.com,
        colin.king@...onical.com, gregkh@...uxfoundation.org,
        John Whitmore <johnfwhitmore@...il.com>
Subject: [PATCH v2 2/9] staging: rtl8192u: Use memset to initialize memory, instead of loop.

Replaced memory initialising loop with memset instead.

Suggested-by: Andy Shevchenko
Signed-off-by: John Whitmore <johnfwhitmore@...il.com>
---
 drivers/staging/rtl8192u/ieee80211/rtl819x_HTProc.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/staging/rtl8192u/ieee80211/rtl819x_HTProc.c b/drivers/staging/rtl8192u/ieee80211/rtl819x_HTProc.c
index a549d9678214..abf55877331e 100644
--- a/drivers/staging/rtl8192u/ieee80211/rtl819x_HTProc.c
+++ b/drivers/staging/rtl8192u/ieee80211/rtl819x_HTProc.c
@@ -761,8 +761,6 @@ void HTConstructRT2RTAggElement(struct ieee80211_device *ieee, u8 *posRT2RTAgg,
  */
 static u8 HT_PickMCSRate(struct ieee80211_device *ieee, u8 *pOperateMCS)
 {
-	u8					i;
-
 	if (!pOperateMCS) {
 		IEEE80211_DEBUG(IEEE80211_DL_ERR,
 				"pOperateMCS can't be null in %s\n",
@@ -777,8 +775,7 @@ static u8 HT_PickMCSRate(struct ieee80211_device *ieee, u8 *pOperateMCS)
 		//legacy rate routine handled at selectedrate
 
 		//no MCS rate
-		for (i = 0; i <= 15; i++)
-			pOperateMCS[i] = 0;
+		memset(pOperateMCS, 0, 16);
 		break;
 
 	case IEEE_N_24G:	//assume CCK rate ok
-- 
2.17.1