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UPSTREAM: 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).

Change-Id: I3558d4a331acdf057c1daccbe86008ae0fd07216
Signed-off-by: Nicolas Iooss <nicolas.iooss_linux@m4x.org>
Acked-by: John Youn <johnyoun@synopsys.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Signed-off-by: Huang, Tao <huangtao@rock-chips.com>
(cherry picked from commit e135ab7405)
This commit is contained in:
Nicolas Iooss
2016-06-26 10:12:38 +02:00
committed by Huang, Tao
parent c71c9d1182
commit fc33858df5
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;