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staging: typec: Add __printf verification

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Adding __printf verification can help avoid format/argument mismatches.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Joe Perches
2017-08-25 12:11:28 -07:00
committed by Greg Kroah-Hartman
parent b21bb6d483
commit e79e01254d
1 changed files with 5 additions and 0 deletions
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5
drivers/staging/typec/tcpm.c
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@@ -376,6 +376,7 @@ static bool tcpm_log_full(struct tcpm_port *port)
(port->logbuffer_head + 1) % LOG_BUFFER_ENTRIES;
}
__printf(2, 0)
static void _tcpm_log(struct tcpm_port *port, const char *fmt, va_list args)
{
char tmpbuffer[LOG_BUFFER_ENTRY_SIZE];
@@ -422,6 +423,7 @@ static void _tcpm_log(struct tcpm_port *port, const char *fmt, va_list args)
mutex_unlock(&port->logbuffer_lock);
}
__printf(2, 3)
static void tcpm_log(struct tcpm_port *port, const char *fmt, ...)
{
va_list args;
@@ -437,6 +439,7 @@ static void tcpm_log(struct tcpm_port *port, const char *fmt, ...)
va_end(args);
}
__printf(2, 3)
static void tcpm_log_force(struct tcpm_port *port, const char *fmt, ...)
{
va_list args;
@@ -553,7 +556,9 @@ static void tcpm_debugfs_exit(struct tcpm_port *port)
#else
__printf(2, 3)
static void tcpm_log(const struct tcpm_port *port, const char *fmt, ...) { }
__printf(2, 3)
static void tcpm_log_force(struct tcpm_port *port, const char *fmt, ...) { }
static void tcpm_log_source_caps(struct tcpm_port *port) { }
static int tcpm_debugfs_init(const struct tcpm_port *port) { return 0; }