linux-kernel - [PATCH v2 1/4] staging: r8188eu: refactor rtw_is_cckrates

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Message-Id: <20210816115430.28264-1-straube.linux@gmail.com>
Date:   Mon, 16 Aug 2021 13:54:27 +0200
From:   Michael Straube <straube.linux@...il.com>
To:     gregkh@...uxfoundation.org
Cc:     Larry.Finger@...inger.net, phil@...lpotter.co.uk, martin@...ser.cx,
        fmdefrancesco@...il.com, linux-staging@...ts.linux.dev,
        linux-kernel@...r.kernel.org,
        Michael Straube <straube.linux@...il.com>
Subject: [PATCH v2 1/4] staging: r8188eu: refactor rtw_is_cckrates_included()

Refactor function rtw_is_cckrates_included(). Improves readability
and slightly reduces object file size.

Signed-off-by: Michael Straube <straube.linux@...il.com>
---
v1 -> v2
Refactored to more compact code as suggested by Joe Perches.

 drivers/staging/r8188eu/core/rtw_ieee80211.c | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/drivers/staging/r8188eu/core/rtw_ieee80211.c b/drivers/staging/r8188eu/core/rtw_ieee80211.c
index 0c7231cefdda..964255a8c778 100644
--- a/drivers/staging/r8188eu/core/rtw_ieee80211.c
+++ b/drivers/staging/r8188eu/core/rtw_ieee80211.c
@@ -70,14 +70,13 @@ int rtw_get_bit_value_from_ieee_value(u8 val)
 
 uint	rtw_is_cckrates_included(u8 *rate)
 {
-	u32	i = 0;
+	u8 r;
 
-	while (rate[i] != 0) {
-		if  ((((rate[i]) & 0x7f) == 2) || (((rate[i]) & 0x7f) == 4) ||
-		     (((rate[i]) & 0x7f) == 11)  || (((rate[i]) & 0x7f) == 22))
+	while ((r = *rate++ & 0x7f)) {
+		if (r == 2 || r == 4 || r == 11 || r == 22)
 			return true;
-		i++;
 	}
+
 	return false;
 }
 
-- 
2.32.0