Cregit: Linux 6.16: u

Contributors: 8
Author	Tokens	Token Proportion	Commits	Commit Proportion
David Brownell	44	42.31%	4	28.57%
Daniel Mack	25	24.04%	1	7.14%
Felipe F. Tonello	19	18.27%	3	21.43%
Andrzej Pietrasiewicz	8	7.69%	2	14.29%
Paul Zimmerman	4	3.85%	1	7.14%
Michael Grzeschik	2	1.92%	1	7.14%
Felipe Balbi	1	0.96%	1	7.14%
Greg Kroah-Hartman	1	0.96%	1	7.14%
Total	104		14

// SPDX-License-Identifier: GPL-2.0
/*
 * u_f.c -- USB function utilities for Gadget stack
 *
 * Copyright (c) 2013 Samsung Electronics Co., Ltd.
 *		http://www.samsung.com
 *
 * Author: Andrzej Pietrasiewicz <andrzejtp2010@gmail.com>
 */

#include <linux/usb/ch9.h>
#include <linux/usb/func_utils.h>

struct usb_request *alloc_ep_req(struct usb_ep *ep, size_t len)
{
	struct usb_request      *req;

	req = usb_ep_alloc_request(ep, GFP_ATOMIC);
	if (req) {
		req->length = usb_endpoint_dir_out(ep->desc) ?
			usb_ep_align(ep, len) : len;
		req->buf = kmalloc(req->length, GFP_ATOMIC);
		if (!req->buf) {
			usb_ep_free_request(ep, req);
			req = NULL;
		}
	}
	return req;
}
EXPORT_SYMBOL_GPL(alloc_ep_req);