linux-kernel - [PATCH 3/5] staging: rtl8723bs: refactor rtw_is_cckratesonly

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Date:   Thu, 12 Jul 2018 12:36:08 +0200
From:   Michael Straube <straube.linux@...il.com>
To:     gregkh@...uxfoundation.org
Cc:     devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org,
        Michael Straube <straube.linux@...il.com>
Subject: [PATCH 3/5] staging: rtl8723bs: refactor rtw_is_cckratesonly_included

Refactor rtw_is_cckratesonly_included() to improve readability and
slightly reduce object file size.

Suggested-by: Joe Perches <joe@...ches.com>
Signed-off-by: Michael Straube <straube.linux@...il.com>
---
 drivers/staging/rtl8723bs/core/rtw_ieee80211.c | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/drivers/staging/rtl8723bs/core/rtw_ieee80211.c b/drivers/staging/rtl8723bs/core/rtw_ieee80211.c
index 3adb58759d5f..e4a20a4a5e59 100644
--- a/drivers/staging/rtl8723bs/core/rtw_ieee80211.c
+++ b/drivers/staging/rtl8723bs/core/rtw_ieee80211.c
@@ -81,13 +81,12 @@ uint rtw_is_cckrates_included(u8 *rate)
 
 uint rtw_is_cckratesonly_included(u8 *rate)
 {
-	u32 i = 0;
+	while (*rate) {
+		u8 r = *rate & 0x7f;
 
-	while (rate[i] != 0) {
-		if  ((((rate[i]) & 0x7f) != 2) && (((rate[i]) & 0x7f) != 4) &&
-		     (((rate[i]) & 0x7f) != 11)  && (((rate[i]) & 0x7f) != 22))
+		if (r != 2 && r != 4 && r != 11 && r != 22)
 			return false;
-		i++;
+		rate++;
 	}
 
 	return true;
-- 
2.18.0