linux-kernel - [PATCH] staging: rtl8188eu: fix HighestRate check in odm_ARFBRefresh

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Message-Id: <20190926073138.12109-1-efremov@linux.com>
Date:   Thu, 26 Sep 2019 10:31:38 +0300
From:   Denis Efremov <efremov@...ux.com>
To:     devel@...verdev.osuosl.org
Cc:     Denis Efremov <efremov@...ux.com>, linux-kernel@...r.kernel.org,
        Larry Finger <Larry.Finger@...inger.net>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Michael Straube <straube.linux@...il.com>,
        stable@...r.kernel.org
Subject: [PATCH] staging: rtl8188eu: fix HighestRate check in odm_ARFBRefresh_8188E()

It's incorrect to compare HighestRate with 0x0b twice in the following
manner "if (HighestRate > 0x0b) ... else if (HighestRate > 0x0b) ...". The
"else if" branch is constantly false. The second comparision should be
with 0x03 according to the max_rate_idx in ODM_RAInfo_Init().

Cc: Larry Finger <Larry.Finger@...inger.net>
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc: Michael Straube <straube.linux@...il.com>
Cc: stable@...r.kernel.org
Signed-off-by: Denis Efremov <efremov@...ux.com>
---
 drivers/staging/rtl8188eu/hal/hal8188e_rate_adaptive.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/rtl8188eu/hal/hal8188e_rate_adaptive.c b/drivers/staging/rtl8188eu/hal/hal8188e_rate_adaptive.c
index 9ddd51685063..5792f491b59a 100644
--- a/drivers/staging/rtl8188eu/hal/hal8188e_rate_adaptive.c
+++ b/drivers/staging/rtl8188eu/hal/hal8188e_rate_adaptive.c
@@ -409,7 +409,7 @@ static int odm_ARFBRefresh_8188E(struct odm_dm_struct *dm_odm, struct odm_ra_inf
 		pRaInfo->PTModeSS = 3;
 	else if (pRaInfo->HighestRate > 0x0b)
 		pRaInfo->PTModeSS = 2;
-	else if (pRaInfo->HighestRate > 0x0b)
+	else if (pRaInfo->HighestRate > 0x03)
 		pRaInfo->PTModeSS = 1;
 	else
 		pRaInfo->PTModeSS = 0;
-- 
2.21.0