linux-kernel - [PATCH 01/14] tty: Improve tty

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Message-Id: <1447005681-4912-2-git-send-email-peter@hurleysoftware.com>
Date:	Sun,  8 Nov 2015 13:01:08 -0500
From:	Peter Hurley <peter@...leysoftware.com>
To:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:	Jiri Slaby <jslaby@...e.cz>, linux-kernel@...r.kernel.org,
	Peter Hurley <peter@...leysoftware.com>,
	Joe Perches <joe@...ches.com>
Subject: [PATCH 01/14] tty: Improve tty_debug() macro

Incorporate suggestions for tty core debug macro improvements
 - printk(KERN_DEBUG) => pr_debug()
 - ##args => ##__VA_ARGS__
 - remove do {} while()
 - output tty_name() first

cc: Joe Perches <joe@...ches.com>
Signed-off-by: Peter Hurley <peter@...leysoftware.com>
---
 include/linux/tty.h | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/include/linux/tty.h b/include/linux/tty.h
index 5e31f1b..3695c88 100644
--- a/include/linux/tty.h
+++ b/include/linux/tty.h
@@ -667,10 +667,7 @@ static inline void proc_tty_register_driver(struct tty_driver *d) {}
 static inline void proc_tty_unregister_driver(struct tty_driver *d) {}
 #endif
 
-#define tty_debug(tty, f, args...)					\
-	do {								\
-		printk(KERN_DEBUG "%s: %s: " f, __func__,		\
-		       tty_name(tty), ##args);				\
-	} while (0)
+#define tty_debug(tty, f, ...) \
+	pr_debug("%s: %s: " f, tty_name(tty), __func__, ##__VA_ARGS__)
 
 #endif
-- 
2.6.3

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