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usb: dwc2: add printf attribute to cat_printf()

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As cat_printf() uses printf format strings in its parameters, adding
__printf attribute allows the compiler to detect at compile-time some
errors related to format strings (with -Wformat warning flag).

Signed-off-by: Nicolas Iooss <[email protected]>
Acked-by: John Youn <[email protected]>
Signed-off-by: Felipe Balbi <[email protected]>
This commit is contained in:
Nicolas Iooss 2016-06-26 10:12:38 +02:00 • committed by Felipe Balbi
commit e135ab7405
1 changed files with 2 additions and 1 deletions
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3
drivers/usb/dwc2/hcd_queue.c
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@ -367,7 +367,8 @@ static void pmap_unschedule(unsigned long *map, int bits_per_period,
* @fmt: The format for printf.
* @...: The args for printf.
*/
static void cat_printf(char **buf, size_t *size, const char *fmt, ...)
static __printf(3, 4)
void cat_printf(char **buf, size_t *size, const char *fmt, ...)
{
va_list args;
int i;