linux-kernel - [PATCH] staging: rtl8821ae: rtl8821ae: hw.c: Cleaning up if statement that always evaluates to false

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Date:	Sun,  8 Jun 2014 03:43:32 +0200
From:	Rickard Strandqvist <rickard_strandqvist@...ctrumdigital.se>
To:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Rickard Strandqvist <rickard_strandqvist@...ctrumdigital.se>
Cc:	Larry Finger <Larry.Finger@...inger.net>,
	Levente Kurusa <levex@...ux.com>,
	Masanari Iida <standby24x7@...il.com>,
	devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org
Subject: [PATCH] staging: rtl8821ae: rtl8821ae: hw.c:  Cleaning up if statement that always evaluates to false

I find a logical error in an if statement '(X & 0xfc) == 0x3' is always false

After pointing this out, Larry Finger informed what would be the correct one.
'(X & 0x3) == 0x3'

Signed-off-by: Rickard Strandqvist <rickard_strandqvist@...ctrumdigital.se>
---
 drivers/staging/rtl8821ae/rtl8821ae/hw.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/rtl8821ae/rtl8821ae/hw.c b/drivers/staging/rtl8821ae/rtl8821ae/hw.c
index 1b8583b..52322e3 100644
--- a/drivers/staging/rtl8821ae/rtl8821ae/hw.c
+++ b/drivers/staging/rtl8821ae/rtl8821ae/hw.c
@@ -1623,7 +1623,7 @@ static int _rtl8821ae_set_media_status(struct ieee80211_hw *hw,
 
 	rtl_write_byte(rtlpriv, (MSR), bt_msr);
 	rtlpriv->cfg->ops->led_control(hw, ledaction);
-	if ((bt_msr & ~0xfc) == MSR_AP)
+	if ((bt_msr & MSR_AP) == MSR_AP)
 		rtl_write_byte(rtlpriv, REG_BCNTCFG + 1, 0x00);
 	else
 		rtl_write_byte(rtlpriv, REG_BCNTCFG + 1, 0x66);
-- 
1.7.10.4

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