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usb: typec: fusb302: Add __printf attribute to fusb302_log function

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Add __printf attribute to fusb302_log function, so that we get
compiler warnings when specifying wrong vararg parameters.

Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Hans de Goede 2019-03-11 11:48:18 +01:00 committed by Greg Kroah-Hartman
parent 207338ec5a
commit bb31b35251
1 changed files with 1 additions and 1 deletions
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2
drivers/usb/typec/tcpm/fusb302.c
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@ -125,13 +125,13 @@ struct fusb302_chip {
*/ */
#ifdef CONFIG_DEBUG_FS #ifdef CONFIG_DEBUG_FS
static bool fusb302_log_full(struct fusb302_chip *chip) static bool fusb302_log_full(struct fusb302_chip *chip)
{ {
return chip->logbuffer_tail == return chip->logbuffer_tail ==
(chip->logbuffer_head + 1) % LOG_BUFFER_ENTRIES; (chip->logbuffer_head + 1) % LOG_BUFFER_ENTRIES;
} }
__printf(2, 0)
static void _fusb302_log(struct fusb302_chip *chip, const char *fmt, static void _fusb302_log(struct fusb302_chip *chip, const char *fmt,
va_list args) va_list args)
{ {