1dnl #
2dnl # Linux 5.0: access_ok() drops 'type' parameter:
3dnl #
4dnl # - access_ok(type, addr, size)
5dnl # + access_ok(addr, size)
6dnl #
7AC_DEFUN([ZFS_AC_KERNEL_SRC_ACCESS_OK_TYPE], [
8	ZFS_LINUX_TEST_SRC([access_ok_type], [
9		#include <linux/uaccess.h>
10	],[
11		const void __user __attribute__((unused)) *addr =
12		    (void *) 0xdeadbeef;
13		unsigned long __attribute__((unused)) size = 1;
14		int error __attribute__((unused)) = access_ok(0, addr, size);
15	])
16])
17
18AC_DEFUN([ZFS_AC_KERNEL_ACCESS_OK_TYPE], [
19	AC_MSG_CHECKING([whether access_ok() has 'type' parameter])
20	ZFS_LINUX_TEST_RESULT([access_ok_type], [
21		AC_MSG_RESULT(yes)
22		AC_DEFINE(HAVE_ACCESS_OK_TYPE, 1,
23		    [kernel has access_ok with 'type' parameter])
24	],[
25		AC_MSG_RESULT(no)
26	])
27])
28