[PATCH v2 06/10] mn10300: uaccess s/might_sleep/might_fault/

Michael S. Tsirkin mst at redhat.com
Thu May 16 07:12:35 EDT 2013


The only reason uaccess routines might sleep
is if they fault. Make this explicit.

Signed-off-by: Michael S. Tsirkin <mst at redhat.com>
---
 arch/mn10300/include/asm/uaccess.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/mn10300/include/asm/uaccess.h b/arch/mn10300/include/asm/uaccess.h
index 780560b..107508a 100644
--- a/arch/mn10300/include/asm/uaccess.h
+++ b/arch/mn10300/include/asm/uaccess.h
@@ -471,13 +471,13 @@ extern unsigned long __generic_copy_from_user(void *, const void __user *,
 
 #define __copy_to_user(to, from, n)			\
 ({							\
-	might_sleep();					\
+	might_fault();					\
 	__copy_to_user_inatomic((to), (from), (n));	\
 })
 
 #define __copy_from_user(to, from, n)			\
 ({							\
-	might_sleep();					\
+	might_fault();					\
 	__copy_from_user_inatomic((to), (from), (n));	\
 })
 
-- 
MST




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