Commit 93b138dd authored Sep 18, 2017 by Masahiro Yamada Committed by Petr Mladek Oct 19, 2017

printk: simplify no_printk()

Commit 069f0cd0 ("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>

parent cef5d0f9

include/linux/printk.h

+2 −4

Original line number	Diff line number	Diff line
		@@ -131,10 +131,8 @@ struct va_format {
		*/
		#define no_printk(fmt, ...) \
		({ \
		do { \
		if (0) \
		printk(fmt, ##__VA_ARGS__); \
		} while (0); \
		0; \
		})