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From: Joe Perches <joe@perches.com>
To: John Whitmore <johnfwhitmore@gmail.com>, linux-kernel@vger.kernel.org
Cc: devel@driverdev.osuosl.org, gregkh@linuxfoundation.org
Subject: Re: [PATCH v2 3/8] staging: rtl8192u: User memset to initialize memory, instead of loop.
Date: Sun, 24 Jun 2018 07:26:41 -0700	[thread overview]
Message-ID: <1ca5d94c5ef94930773c9f3d239e12862a65922d.camel@perches.com> (raw)
In-Reply-To: <20180624095732.12082-4-johnfwhitmore@gmail.com>

On Sun, 2018-06-24 at 10:57 +0100, John Whitmore wrote:
> Replaced memory initialising loop with memset, as suggested by Andy Shevchenko
[]
> diff --git a/drivers/staging/rtl8192u/ieee80211/rtl819x_HTProc.c b/drivers/staging/rtl8192u/ieee80211/rtl819x_HTProc.c
[]
> @@ -742,8 +742,6 @@ 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 HT_PickMCSRate()\n");
>  		return false;
> @@ -756,8 +754,7 @@ 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, 15);

Not the same code.

Loop is <= 15, so memset should use 16



  reply	other threads:[~2018-06-24 14:26 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-06-24  9:57 V2 Coding style changes. Plus one change to use memset() John Whitmore
2018-06-24  9:57 ` [PATCH v2 1/8] staging: rtl8192u: change block comments to prefered style - Coding Style John Whitmore
2018-06-24  9:57 ` [PATCH v2 2/8] staging: rtl8192u: Correct indentation of switch statement " John Whitmore
2018-06-24  9:57 ` [PATCH v2 3/8] staging: rtl8192u: User memset to initialize memory, instead of loop John Whitmore
2018-06-24 14:26   ` Joe Perches [this message]
2018-06-24 14:32     ` John Whitmore
2018-06-24 14:39     ` John Whitmore
2018-06-24  9:57 ` [PATCH v2 4/8] staging: rtl8192u: Truncate block comments to 80 character length - Style John Whitmore
2018-06-24  9:57 ` [PATCH v2 5/8] staging: rtl8192u: Use %s and __func__ instead of hardcoded string " John Whitmore
2018-06-24  9:57 ` [PATCH v2 6/8] staging: rtl8192u: Remove braces from single statement blocks " John Whitmore
2018-06-24  9:57 ` [PATCH v2 7/8] staging: rtl8192u: Correct if statement - Coding Style John Whitmore
2018-06-24  9:57 ` [PATCH v2 8/8] staging: rtl8192u: Correction of spelling mistake in comment John Whitmore
2018-06-24 10:53 ` V2 Coding style changes. Plus one change to use memset() Greg KH
2018-06-24 11:09   ` John Whitmore

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