linux-kernel - [PATCH] staging: rtl8723bs: core: Prefer using the BIT Macro.

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Date:   Wed,  1 May 2019 20:33:44 +0530
From:   Vatsala Narang <vatsalanarang@...il.com>
To:     gregkh@...uxfoundation.org
Cc:     hadess@...ess.net, hdegoede@...hat.com, Larry.Finger@...inger.net,
        devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org,
        julia.lawall@...6.fr, Vatsala Narang <vatsalanarang@...il.com>
Subject: [PATCH] staging: rtl8723bs: core: Prefer using the BIT Macro.

Replace bit shifting on 1 with the BIT(x) macro.

Issue found using coccinelle.

Signed-off-by: Vatsala Narang <vatsalanarang@...il.com>
---
 drivers/staging/rtl8723bs/core/rtw_mlme_ext.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/drivers/staging/rtl8723bs/core/rtw_mlme_ext.c b/drivers/staging/rtl8723bs/core/rtw_mlme_ext.c
index d4842ba64951..d110d4514771 100644
--- a/drivers/staging/rtl8723bs/core/rtw_mlme_ext.c
+++ b/drivers/staging/rtl8723bs/core/rtw_mlme_ext.c
@@ -1981,7 +1981,7 @@ unsigned int OnAction_back(struct adapter *padapter, union recv_frame *precv_fra
 			if (status == 0) {
 				/* successful */
 				DBG_871X("agg_enable for TID =%d\n", tid);
-				psta->htpriv.agg_enable_bitmap |= 1 << tid;
+				psta->htpriv.agg_enable_bitmap |= BIT(tid);
 				psta->htpriv.candidate_tid_bitmap &= ~BIT(tid);
 			} else {
 				psta->htpriv.agg_enable_bitmap &= ~BIT(tid);
@@ -1999,8 +1999,10 @@ unsigned int OnAction_back(struct adapter *padapter, union recv_frame *precv_fra
 
 		case RTW_WLAN_ACTION_DELBA: /* DELBA */
 			if ((frame_body[3] & BIT(3)) == 0) {
-				psta->htpriv.agg_enable_bitmap &= ~(1 << ((frame_body[3] >> 4) & 0xf));
-				psta->htpriv.candidate_tid_bitmap &= ~(1 << ((frame_body[3] >> 4) & 0xf));
+				psta->htpriv.agg_enable_bitmap &=
+					~BIT((frame_body[3] >> 4) & 0xf);
+				psta->htpriv.candidate_tid_bitmap &=
+					~BIT((frame_body[3] >> 4) & 0xf);
 
 				/* reason_code = frame_body[4] | (frame_body[5] << 8); */
 				reason_code = RTW_GET_LE16(&frame_body[4]);
-- 
2.17.1