[PATCH] kdbus: use FIELD_SIZEOF in kdbus_member_set_user macro

From	Sergei Zviagintsev <sergei@s15v.net>
Newsgroups	linux.kernel
Subject	[PATCH] kdbus: use FIELD_SIZEOF in kdbus_member_set_user macro
Date	2015-06-04 12:50 +0200
Message-ID	<pxASK-6NR-15@gated-at.bofh.it> (permalink)
Organization	linux.* mail to news gateway

Show all headers | View raw

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>
---
 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));			\
 })
 
 /**
-- 
1.8.3.1

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Back to linux.kernel | Previous | Next — Next in thread | Find similar | Unroll thread

Thread

[PATCH] kdbus: use FIELD_SIZEOF in kdbus_member_set_user macro Sergei Zviagintsev <sergei@s15v.net> - 2015-06-04 12:50 +0200
  Re: [PATCH] kdbus: use FIELD_SIZEOF in kdbus_member_set_user macro David Herrmann <dh.herrmann@gmail.com> - 2015-06-04 13:40 +0200

csiph-web