[lttng-modules.git] / wrapper / uaccess.h

/* SPDX-License-Identifier: (GPL-2.0 or LGPL-2.1)
 *
 * wrapper/uaccess.h
 *
 * wrapper around linux/uaccess.h.
 *
 * Copyright (C) 2019 Michael Jeanson <mjeanson@efficios.com>
 */

#ifndef _LTTNG_WRAPPER_UACCESS_H
#define _LTTNG_WRAPPER_UACCESS_H

#include <linux/uaccess.h>
#include <lttng-kernel-version.h>

#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5,0,0))

#define VERIFY_READ	0
#define VERIFY_WRITE	1
#define lttng_access_ok(type, addr, size) access_ok(addr, size)

#else /* LINUX_VERSION_CODE >= KERNEL_VERSION(5,0,0) */

#define lttng_access_ok(type, addr, size) access_ok(type, addr, size)

#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(5,0,0) */

#endif /* _LTTNG_WRAPPER_UACCESS_H */
Commit	Line	Data
02fd5eae MJ	1	/* SPDX-License-Identifier: (GPL-2.0 or LGPL-2.1)
	2	*
	3	* wrapper/uaccess.h
	4	*
	5	* wrapper around linux/uaccess.h.
	6	*
	7	* Copyright (C) 2019 Michael Jeanson <mjeanson@efficios.com>
	8	*/
	9
	10	#ifndef _LTTNG_WRAPPER_UACCESS_H
	11	#define _LTTNG_WRAPPER_UACCESS_H
	12
	13	#include <linux/uaccess.h>
	14	#include <lttng-kernel-version.h>
	15
	16	#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5,0,0))
	17
	18	#define VERIFY_READ 0
	19	#define VERIFY_WRITE 1
	20	#define lttng_access_ok(type, addr, size) access_ok(addr, size)
	21
	22	#else /* LINUX_VERSION_CODE >= KERNEL_VERSION(5,0,0) */
	23
	24	#define lttng_access_ok(type, addr, size) access_ok(type, addr, size)
	25
	26	#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(5,0,0) */
	27
	28	#endif /* _LTTNG_WRAPPER_UACCESS_H */