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tty: Improve tty_debug() macro

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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@perches.com>
Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Peter Hurley 2015-11-08 13:01:08 -05:00 • committed by Greg Kroah-Hartman
commit 998b4a4571
1 changed files with 2 additions and 5 deletions
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7
include/linux/tty.h
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@ -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