| 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 | LTTNG_RHEL_KERNEL_RANGE(4,18,0,147,0,0, 4,19,0,0,0,0)) |
| 18 | |
| 19 | #define VERIFY_READ 0 |
| 20 | #define VERIFY_WRITE 1 |
| 21 | #define lttng_access_ok(type, addr, size) access_ok(addr, size) |
| 22 | |
| 23 | #else /* LINUX_VERSION_CODE >= KERNEL_VERSION(5,0,0) */ |
| 24 | |
| 25 | #define lttng_access_ok(type, addr, size) access_ok(type, addr, size) |
| 26 | |
| 27 | #endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(5,0,0) */ |
| 28 | |
| 29 | #endif /* _LTTNG_WRAPPER_UACCESS_H */ |