linux-kernel - [PATCH v2 3/4] staging: r8188eu: refactor rtw_is_cckratesonly

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20210816115430.28264-3-straube.linux@gmail.com>
Date:   Mon, 16 Aug 2021 13:54:29 +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 3/4] staging: r8188eu: refactor rtw_is_cckratesonly_included()

Refactor function rtw_is_cckratesonly_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 | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/drivers/staging/r8188eu/core/rtw_ieee80211.c b/drivers/staging/r8188eu/core/rtw_ieee80211.c
index 53556f1af425..b1427e70cdf7 100644
--- a/drivers/staging/r8188eu/core/rtw_ieee80211.c
+++ b/drivers/staging/r8188eu/core/rtw_ieee80211.c
@@ -82,13 +82,11 @@ bool rtw_is_cckrates_included(u8 *rate)
 
 uint	rtw_is_cckratesonly_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 false;
-		i++;
 	}
 
 	return true;
-- 
2.32.0