Fix: Remove 'type' argument from access_ok() function (v5.0)

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

diff --git a/wrapper/uaccess.h b/wrapper/uaccess.h
new file mode 100644 (file)
index 0000000..c56427c
--- /dev/null
+++ b/wrapper/uaccess.h
@@ -0,0 +1,28 @@
+/* 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 */