From: Alexey Dobriyan <adobriyan@gmail.com>
To: akpm@linux-foundation.org, peterz@infradead.org
Cc: linux-kernel@vger.kernel.org
Subject: [PATCH] make WRITE_ONCE return void
Date: Fri, 8 Jul 2016 01:20:08 +0300 [thread overview]
Message-ID: <20160707222008.GE31678@p183.telecom.by> (raw)
Currently WRITE_ONCE is used as if it returns void. Let's codify this
before somebody tries to be smarter than necessary.
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
---
include/linux/compiler.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/include/linux/compiler.h
+++ b/include/linux/compiler.h
@@ -301,7 +301,7 @@ static __always_inline void __write_once_size(volatile void *p, void *res, int s
union { typeof(x) __val; char __c[1]; } __u = \
{ .__val = (__force typeof(x)) (val) }; \
__write_once_size(&(x), __u.__c, sizeof(x)); \
- __u.__val; \
+ (void)0; \
})
/**
next reply other threads:[~2016-07-07 22:20 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-07-07 22:20 Alexey Dobriyan [this message]
2016-07-08 8:02 ` [PATCH] make WRITE_ONCE return void Peter Zijlstra
2016-07-08 10:20 ` Alexey Dobriyan
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