22 lines
627 B
Plaintext
22 lines
627 B
Plaintext
dnl #
|
|
dnl # Linux 5.0: access_ok() drops 'type' parameter:
|
|
dnl #
|
|
dnl # - access_ok(type, addr, size)
|
|
dnl # + access_ok(addr, size)
|
|
dnl #
|
|
AC_DEFUN([ZFS_AC_KERNEL_ACCESS_OK_TYPE], [
|
|
AC_MSG_CHECKING([whether access_ok() has 'type' parameter])
|
|
ZFS_LINUX_TRY_COMPILE([
|
|
#include <linux/uaccess.h>
|
|
],[
|
|
const void __user __attribute__((unused)) *addr = (void *) 0xdeadbeef;
|
|
unsigned long __attribute__((unused)) size = 1;
|
|
int error __attribute__((unused)) = access_ok(0, addr, size);
|
|
],[
|
|
AC_MSG_RESULT(yes)
|
|
AC_DEFINE(HAVE_ACCESS_OK_TYPE, 1, [kernel has access_ok with 'type' parameter])
|
|
],[
|
|
AC_MSG_RESULT(no)
|
|
])
|
|
])
|