usercopy: force check_object_size() inline

Just for good measure, make sure that check_object_size() is always
inlined too, as already done for copy_*_user() and __copy_*_user().

Suggested-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Kees Cook <keescook@chromium.org>

1 files changed, 2 insertions, 2 deletions

diff --git a/include/linux/thread_info.h b/include/linux/thread_info.h
index 10c9e601398b..2b5b10eed74f 100644
--- a/include/linux/thread_info.h
+++ b/include/linux/thread_info.h
@@ -118,8 +118,8 @@ static inline int arch_within_stack_frames(const void * const stack,
 extern void __check_object_size(const void *ptr, unsigned long n,
                                         bool to_user);
 
-static inline void check_object_size(const void *ptr, unsigned long n,
-                                     bool to_user)
+static __always_inline void check_object_size(const void *ptr, unsigned long n,
+                                              bool to_user)
 {
         if (!__builtin_constant_p(n))
                 __check_object_size(ptr, n, to_user);