[PATCH] Add proper sparse __user casts to __copy_to_user_inatomic

Noticed by Al Viro

Cc: viro@ftp.linux.org.uk
Signed-off-by: Andi Kleen <ak@suse.de>

diff --git a/include/asm-x86_64/uaccess.h b/include/asm-x86_64/uaccess.h
index e856570c068952045b73bd25a2cf45d22ed7aeb2..19f99178fe83735cc17bff14516f529c17e479c3 100644 (file)
--- a/include/asm-x86_64/uaccess.h
+++ b/include/asm-x86_64/uaccess.h
@@ -361,6 +361,11 @@ __must_check unsigned long clear_user(void __user *mem, unsigned long len);
 __must_check unsigned long __clear_user(void __user *mem, unsigned long len);
 
 __must_check long __copy_from_user_inatomic(void *dst, const void __user *src, unsigned size);
-#define __copy_to_user_inatomic copy_user_generic
+
+static __must_check __always_inline int
+__copy_to_user_inatomic(void __user *dst, const void *src, unsigned size)
+{
+       return copy_user_generic((__force void *)dst, src, size);
+}
 
 #endif /* __X86_64_UACCESS_H */