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dnl #
dnl # Grsecurity kernel API change
dnl # constified parameters of module_param_call() methods
dnl #
AC_DEFUN([ZFS_AC_KERNEL_MODULE_PARAM_CALL_CONST], [
AC_MSG_CHECKING([whether module_param_call() is hardened])
ZFS_LINUX_TRY_COMPILE([
#include <linux/module.h>
#include <linux/moduleparam.h>
int param_get(char *b, const struct kernel_param *kp)
{
return (0);
}
int param_set(const char *b, const struct kernel_param *kp)
{
return (0);
}
module_param_call(p, param_set, param_get, NULL, 0644);
],[
],[
AC_MSG_RESULT(yes)
AC_DEFINE(MODULE_PARAM_CALL_CONST, 1,
[hardened module_param_call])
],[
AC_MSG_RESULT(no)
])
])
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