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Diffstat (limited to 'config/kernel-mod-param.m4')
| -rw-r--r-- | config/kernel-mod-param.m4 | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/config/kernel-mod-param.m4 b/config/kernel-mod-param.m4 new file mode 100644 index 000000000..b72be684a --- /dev/null +++ b/config/kernel-mod-param.m4 @@ -0,0 +1,30 @@ +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) + ]) +]) |