usercopy: fold builtin_const check into inline function

[cascardo/linux.git] / include / linux / thread_info.h

diff --git a/include/linux/thread_info.h b/include/linux/thread_info.h
index cbd8990..10c9e60 100644 (file)
--- a/include/linux/thread_info.h
+++ b/include/linux/thread_info.h
@@ -121,7 +121,8 @@ extern void __check_object_size(const void *ptr, unsigned long n,
 static inline void check_object_size(const void *ptr, unsigned long n,
                                     bool to_user)
 {
-       __check_object_size(ptr, n, to_user);
+       if (!__builtin_constant_p(n))
+               __check_object_size(ptr, n, to_user);
 }
 #else
 static inline void check_object_size(const void *ptr, unsigned long n,