linux-kernel - [PATCH] staging: rtl8723bs: core: rtw_mlme

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Date:   Sun, 23 May 2021 19:30:42 +0200
From:   "Fabio M. De Francesco" <fmdefrancesco@...il.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-staging@...ts.linux.dev, linux-kernel@...r.kernel.org
Cc:     "Fabio M. De Francesco" <fmdefrancesco@...il.com>
Subject: [PATCH] staging: rtl8723bs: core: rtw_mlme_ext.c: Remove set but unused variable

Removed set but unused 'reason_code' variable. Issue detected by GCC
running with the warning option -Wunused-but-set-variable. Removed its
use as a storage of the return value of get_unaligned_le16(), which has
been left as is because it has side effects on the argument it takes.

Signed-off-by: Fabio M. De Francesco <fmdefrancesco@...il.com>
---
 drivers/staging/rtl8723bs/core/rtw_mlme_ext.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/staging/rtl8723bs/core/rtw_mlme_ext.c b/drivers/staging/rtl8723bs/core/rtw_mlme_ext.c
index 9fc612fb736f..a13b3ec42bc9 100644
--- a/drivers/staging/rtl8723bs/core/rtw_mlme_ext.c
+++ b/drivers/staging/rtl8723bs/core/rtw_mlme_ext.c
@@ -1721,7 +1721,7 @@ unsigned int OnAction_back(struct adapter *padapter, union recv_frame *precv_fra
 	struct recv_reorder_ctrl *preorder_ctrl;
 	unsigned char 	*frame_body;
 	unsigned char 	category, action;
-	unsigned short	tid, status, reason_code = 0;
+	unsigned short	tid, status;
 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
 	u8 *pframe = precv_frame->u.hdr.rx_data;
@@ -1791,8 +1791,7 @@ unsigned int OnAction_back(struct adapter *padapter, union recv_frame *precv_fra
 				psta->htpriv.candidate_tid_bitmap &=
 					~BIT((frame_body[3] >> 4) & 0xf);
 
-				/* reason_code = frame_body[4] | (frame_body[5] << 8); */
-				reason_code = get_unaligned_le16(&frame_body[4]);
+				get_unaligned_le16(&frame_body[4]);
 			} else if ((frame_body[3] & BIT(3)) == BIT(3)) {
 				tid = (frame_body[3] >> 4) & 0x0F;
 
-- 
2.31.1