linux-kernel - [PATCH v9 12/16] staging: r8188eu: Remove a test from usbctrl

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Date:   Tue, 21 Sep 2021 20:18:30 +0200
From:   "Fabio M. De Francesco" <fmdefrancesco@...il.com>
To:     Larry Finger <Larry.Finger@...inger.net>,
        Phillip Potter <phil@...lpotter.co.uk>,
        Pavel Skripkin <paskripkin@...il.com>,
        linux-staging@...ts.linux.dev, linux-kernel@...r.kernel.org,
        David Laight <david.Laight@...lab.com>,
        Dan Carpenter <dan.carpenter@...cle.com>,
        Martin Kaiser <martin@...ser.cx>
Cc:     "Fabio M. De Francesco" <fmdefrancesco@...il.com>
Subject: [PATCH v9 12/16] staging: r8188eu: Remove a test from usbctrl_vendorreq()

Remove an unnecessary 'if' test from usbctrl_vendorreq() because
"length" is never greater than MAX_VENDOR_REQ_CMD_SIZE.

Co-developed-by: Pavel Skripkin <paskripkin@...il.com>
Signed-off-by: Pavel Skripkin <paskripkin@...il.com>
Signed-off-by: Fabio M. De Francesco <fmdefrancesco@...il.com>
---
 drivers/staging/r8188eu/hal/usb_ops_linux.c | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/drivers/staging/r8188eu/hal/usb_ops_linux.c b/drivers/staging/r8188eu/hal/usb_ops_linux.c
index 04a878c1a87d..b3f8a76b5db2 100644
--- a/drivers/staging/r8188eu/hal/usb_ops_linux.c
+++ b/drivers/staging/r8188eu/hal/usb_ops_linux.c
@@ -23,12 +23,6 @@ static int usbctrl_vendorreq(struct intf_hdl *intf, u16 value, void *data, u16 l
 		goto exit;
 	}
 
-	if (len > MAX_VENDOR_REQ_CMD_SIZE) {
-		DBG_88E("[%s] Buffer len error ,vendor request failed\n", __func__);
-		status = -EINVAL;
-		goto exit;
-	}
-
 	mutex_lock(&dvobjpriv->usb_vendor_req_mutex);
 
 	/*  Acquire IO memory for vendorreq */
-- 
2.33.0