linux-kernel - [PATCH] usbip: Fix vep_free_request() null pointer checks on input args

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Message-Id: <20190118212931.18482-1-skhan@linuxfoundation.org>
Date:   Fri, 18 Jan 2019 14:29:30 -0700
From:   Shuah Khan <skhan@...uxfoundation.org>
To:     valentina.manea.m@...il.com, shuah@...nel.org,
        gregkh@...uxfoundation.org
Cc:     linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] usbip: Fix vep_free_request() null pointer checks on input args

From: Shuah Khan <shuah@...nel.org>

Fix vep_free_request() to return when usb_ep and usb_request are null
instead of calling WARN_ON.

Signed-off-by: Shuah Khan <shuah@...nel.org>
---
 drivers/usb/usbip/vudc_dev.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/usb/usbip/vudc_dev.c b/drivers/usb/usbip/vudc_dev.c
index 1634d8698e15..bfc8218e3fb6 100644
--- a/drivers/usb/usbip/vudc_dev.c
+++ b/drivers/usb/usbip/vudc_dev.c
@@ -297,7 +297,7 @@ static void vep_free_request(struct usb_ep *_ep, struct usb_request *_req)
 {
 	struct vrequest *req;
 
-	if (WARN_ON(!_ep || !_req))
+	if (!_ep || !_req)
 		return;
 
 	req = to_vrequest(_req);
-- 
2.17.1