[PATCH 1/3] module: Prepare to convert all module_param_call() prototypes

From: Kees Cook
Date: Tue Oct 17 2017 - 22:01:27 EST


After actually converting all module_param_call() function prototypes, we
no longer need to do a tricky sizeof(func(thing)) type-check. Remove it.

Signed-off-by: Kees Cook <keescook@xxxxxxxxxxxx>
---
include/linux/moduleparam.h | 12 ++----------
1 file changed, 2 insertions(+), 10 deletions(-)

diff --git a/include/linux/moduleparam.h b/include/linux/moduleparam.h
index 1ee7b30dafec..037a90a522a5 100644
--- a/include/linux/moduleparam.h
+++ b/include/linux/moduleparam.h
@@ -228,18 +228,10 @@ struct kparam_array

/* Obsolete - use module_param_cb() */
#define module_param_call(name, set, get, arg, perm) \
- static const struct kernel_param_ops __param_ops_##name = \
+ static const struct kernel_param_ops __param_ops_##name = \
{ .flags = 0, (void *)set, (void *)get }; \
__module_param_call(MODULE_PARAM_PREFIX, \
- name, &__param_ops_##name, arg, \
- (perm) + sizeof(__check_old_set_param(set))*0, -1, 0)
-
-/* We don't get oldget: it's often a new-style param_get_uint, etc. */
-static inline int
-__check_old_set_param(int (*oldset)(const char *, struct kernel_param *))
-{
- return 0;
-}
+ name, &__param_ops_##name, arg, perm, -1, 0)

#ifdef CONFIG_SYSFS
extern void kernel_param_lock(struct module *mod);
--
2.7.4