linux-kernel - [PATCH v2 02/12] staging: r8188eu: bkq

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Date:   Mon,  9 Jan 2023 22:28:42 +0100
From:   Martin Kaiser <martin@...ser.cx>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     Larry Finger <Larry.Finger@...inger.net>,
        Phillip Potter <phil@...lpotter.co.uk>,
        Michael Straube <straube.linux@...il.com>,
        Pavel Skripkin <paskripkin@...il.com>,
        linux-staging@...ts.linux.dev, linux-kernel@...r.kernel.org,
        Martin Kaiser <martin@...ser.cx>
Subject: [PATCH v2 02/12] staging: r8188eu: bkq_cnt is write-only

bkq_cnt in struct xmit_priv is initialised, incremented and decremented
but never read. Remove bkq_cnt and resulting dead code.

Signed-off-by: Martin Kaiser <martin@...ser.cx>
---
 drivers/staging/r8188eu/core/rtw_xmit.c        | 1 -
 drivers/staging/r8188eu/include/rtw_xmit.h     | 1 -
 drivers/staging/r8188eu/os_dep/usb_ops_linux.c | 4 ----
 3 files changed, 6 deletions(-)

diff --git a/drivers/staging/r8188eu/core/rtw_xmit.c b/drivers/staging/r8188eu/core/rtw_xmit.c
index e5ac49441337..875675656d11 100644
--- a/drivers/staging/r8188eu/core/rtw_xmit.c
+++ b/drivers/staging/r8188eu/core/rtw_xmit.c
@@ -195,7 +195,6 @@ int _rtw_init_xmit_priv(struct xmit_priv *pxmitpriv, struct adapter *padapter)
 	pxmitpriv->txirp_cnt = 1;
 
 	/* per AC pending irp */
-	pxmitpriv->bkq_cnt = 0;
 	pxmitpriv->viq_cnt = 0;
 	pxmitpriv->voq_cnt = 0;
 
diff --git a/drivers/staging/r8188eu/include/rtw_xmit.h b/drivers/staging/r8188eu/include/rtw_xmit.h
index c84f73f2cc59..3d56c3afaf7d 100644
--- a/drivers/staging/r8188eu/include/rtw_xmit.h
+++ b/drivers/staging/r8188eu/include/rtw_xmit.h
@@ -282,7 +282,6 @@ struct	xmit_priv {
 	u8		txirp_cnt;/*  */
 	struct tasklet_struct xmit_tasklet;
 	/* per AC pending irp */
-	int bkq_cnt;
 	int viq_cnt;
 	int voq_cnt;
 	struct __queue free_xmitbuf_queue;
diff --git a/drivers/staging/r8188eu/os_dep/usb_ops_linux.c b/drivers/staging/r8188eu/os_dep/usb_ops_linux.c
index 067b7def2bde..5ae09edf9174 100644
--- a/drivers/staging/r8188eu/os_dep/usb_ops_linux.c
+++ b/drivers/staging/r8188eu/os_dep/usb_ops_linux.c
@@ -48,9 +48,6 @@ static void usb_write_port_complete(struct urb *purb, struct pt_regs *regs)
 	case VI_QUEUE_INX:
 		pxmitpriv->viq_cnt--;
 		break;
-	case BK_QUEUE_INX:
-		pxmitpriv->bkq_cnt--;
-		break;
 	case HIGH_QUEUE_INX:
 		rtw_chk_hi_queue_cmd(padapter);
 		break;
@@ -123,7 +120,6 @@ u32 rtw_write_port(struct adapter *padapter, u32 addr, u32 cnt, u8 *wmem)
 		pxmitbuf->flags = BE_QUEUE_INX;
 		break;
 	case BK_QUEUE_INX:
-		pxmitpriv->bkq_cnt++;
 		pxmitbuf->flags = BK_QUEUE_INX;
 		break;
 	case HIGH_QUEUE_INX:
-- 
2.30.2