linux-kernel - [PATCH] usb: host: Use helper function to get endpoint

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Message-Id: <20220824130702.10912-1-khalid.masum.92@gmail.com>
Date:   Wed, 24 Aug 2022 19:07:02 +0600
From:   Khalid Masum <khalid.masum.92@...il.com>
To:     linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Alan Stern <stern@...land.harvard.edu>,
        Kishon Vijay Abraham I <kishon@...com>,
        Arnd Bergmann <arnd@...db.de>,
        Matthias Kaehlcke <mka@...omium.org>,
        Alexey Sheplyakov <asheplyakov@...ealt.ru>,
        Weitao Wang <WeitaoWang-oc@...oxin.com>,
        linux-kernel-mentees@...ts.linuxfoundation.org,
        Khalid Masum <khalid.masum.92@...il.com>
Subject: [PATCH] usb: host: Use helper function to get endpoint

Current implementation to convert urb pipe number to struct 
usb_host_endpoint in rquest_single_step_set_feature_urb is a little
messy. 

Use usb_pipe_endpoint helper function to get the endpoint instead.

Signed-off-by: Khalid Masum <khalid.masum.92@...il.com>
---
 drivers/usb/core/hcd.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c
index 94b305bbd621..107e29d5d3ae 100644
--- a/drivers/usb/core/hcd.c
+++ b/drivers/usb/core/hcd.c
@@ -2165,8 +2165,7 @@ static struct urb *request_single_step_set_feature_urb(
 		return NULL;
 
 	urb->pipe = usb_rcvctrlpipe(udev, 0);
-	ep = (usb_pipein(urb->pipe) ? udev->ep_in : udev->ep_out)
-				[usb_pipeendpoint(urb->pipe)];
+	ep = usb_pipe_endpoint(udev, urb->pipe);
 	if (!ep) {
 		usb_free_urb(urb);
 		return NULL;
-- 
2.37.1