Re: [PATCH v2 3/8] staging: rtl8192u: User memset to initialize memory, instead of loop.

From: Joe Perches
Date: Sun Jun 24 2018 - 10:26:52 EST


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