Subject: [PATCH rdma-next v2 03/20] kernel.h: Reuse u64_to_ptr macro to cast __user pointers

From: Leon Romanovsky <[email-masked]>
Date: Sun, 17 Jun 2018 12:59:49 +0300

From: Leon Romanovsky <[email-masked]>

Redefine u64_to_user_ptr() macro to be implemented with u64_to_ptr().

Signed-off-by: Leon Romanovsky <[email-masked]>
---
 include/linux/kernel.h | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index 7d60a3472929..3012ae2f52f7 100644
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -83,12 +83,7 @@ static inline u64 ptr_to_u64(const void *ptr)
 }					\
 )
 
-#define u64_to_user_ptr(x) (		\
-{					\
-	typecheck(u64, x);		\
-	(void __user *)(uintptr_t)x;	\
-}					\
-)
+#define u64_to_user_ptr(x)	u64_to_ptr(void __user, x)
 
 /*
  * This looks more complex than it should be. But we need to
-- 
2.14.4