linux-kernel - [PATCH] staging: r8188eu: remove NULL check for usb_kill

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Message-Id: <20230111100201.251905-1-martin@kaiser.cx>
Date:   Wed, 11 Jan 2023 11:02:01 +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] staging: r8188eu: remove NULL check for usb_kill_urb

usb_kill_urb handles a NULL parameter. There's no need for NULL checks
before we call usb_kill_urb.

Signed-off-by: Martin Kaiser <martin@...ser.cx>
---
 drivers/staging/r8188eu/os_dep/usb_ops_linux.c | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/drivers/staging/r8188eu/os_dep/usb_ops_linux.c b/drivers/staging/r8188eu/os_dep/usb_ops_linux.c
index 62106d2f82ad..583533631133 100644
--- a/drivers/staging/r8188eu/os_dep/usb_ops_linux.c
+++ b/drivers/staging/r8188eu/os_dep/usb_ops_linux.c
@@ -29,8 +29,7 @@ void rtw_read_port_cancel(struct adapter *padapter)
 
 	for (i = 0; i < NR_RECVBUFF; i++) {
 		precvbuf->reuse = true;
-		if (precvbuf->purb)
-			usb_kill_urb(precvbuf->purb);
+		usb_kill_urb(precvbuf->purb);
 		precvbuf++;
 	}
 }
@@ -153,15 +152,13 @@ void rtw_write_port_cancel(struct adapter *padapter)
 	padapter->bWritePortCancel = true;
 
 	for (i = 0; i < NR_XMITBUFF; i++) {
-		if (pxmitbuf->pxmit_urb)
-			usb_kill_urb(pxmitbuf->pxmit_urb);
+		usb_kill_urb(pxmitbuf->pxmit_urb);
 		pxmitbuf++;
 	}
 
 	pxmitbuf = (struct xmit_buf *)padapter->xmitpriv.pxmit_extbuf;
 	for (i = 0; i < NR_XMIT_EXTBUFF; i++) {
-		if (pxmitbuf->pxmit_urb)
-			usb_kill_urb(pxmitbuf->pxmit_urb);
+		usb_kill_urb(pxmitbuf->pxmit_urb);
 		pxmitbuf++;
 	}
 }
-- 
2.30.2