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

Message ID 20180617100006.30663-4-leon@kernel.org
State Not Applicable, archived
Delegated to: David Miller
Headers show
Series Introduce mlx5 DEVX interface | expand

Commit Message

Leon Romanovsky June 17, 2018, 9:59 a.m. UTC 
From: Leon Romanovsky <leonro@mellanox.com>

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

Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
---
 include/linux/kernel.h | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)
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Patch

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