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printk: simplify no_printk()

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Commit 069f0cd00df0 ("printk: Make the printk*once() variants return
a value") surrounded the macro implementation with ({ ... }).

Now, the inner do { ... } while (0); is redundant.

Link: http://lkml.kernel.org/r/1505660504-11059-1-git-send-email-yamada.masahiro@socionext.com
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Masahiro Yamada <yamada.masahiro@socionext.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Signed-off-by: Petr Mladek <pmladek@suse.com>
This commit is contained in:
Masahiro Yamada 2017-09-18 00:01:44 +09:00 committed by Petr Mladek
parent cef5d0f952
commit 93b138dd9d
1 changed files with 2 additions and 4 deletions
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6
include/linux/printk.h
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@ -131,10 +131,8 @@ struct va_format {
*/
#define no_printk(fmt, ...) \
({ \
do { \
if (0) \
printk(fmt, ##__VA_ARGS__); \
} while (0); \
if (0) \
printk(fmt, ##__VA_ARGS__); \
0; \
})