kernel/kdbus-use-FIELD_SIZEOF-in-kdbus_member_set_user-macr.patch
2015-07-08 10:30:06 -04:00

30 lines
890 B
Diff

From: Sergei Zviagintsev <sergei@s15v.net>
Date: Thu, 4 Jun 2015 13:39:30 +0300
Subject: [PATCH] kdbus: use FIELD_SIZEOF in kdbus_member_set_user macro
sizeof(((_t *)0)->_m) -> FIELD_SIZEOF(_t, _m)
Use conventional macro according to chapter 17 of
Documentation/CodingStyle.
Signed-off-by: Sergei Zviagintsev <sergei@s15v.net>
Reviewed-by: David Herrmann <dh.herrmann@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
ipc/kdbus/util.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/ipc/kdbus/util.h b/ipc/kdbus/util.h
index 9fedf8ab41cd..529716669fe7 100644
--- a/ipc/kdbus/util.h
+++ b/ipc/kdbus/util.h
@@ -40,7 +40,7 @@
({ \
u64 __user *_sz = \
(void __user *)((u8 __user *)(_b) + offsetof(_t, _m)); \
- copy_to_user(_sz, _s, sizeof(((_t *)0)->_m)); \
+ copy_to_user(_sz, _s, FIELD_SIZEOF(_t, _m)); \
})
/**