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authorNicolas Iooss <nicolas.iooss_linux@m4x.org>2016-06-26 10:12:38 +0200
committerFelipe Balbi <felipe.balbi@linux.intel.com>2016-06-29 11:11:07 +0300
commite135ab7405f562c7709806e355b1521ee68548dc (patch)
tree701174279d1c5fe88eb58e9e877af40ff657d9b3 /drivers/usb/dwc2
parent0d7995031a8e7a34e5638d57a44a51aae39e321c (diff)
usb: dwc2: add printf attribute to cat_printf()
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 <nicolas.iooss_linux@m4x.org> Acked-by: John Youn <johnyoun@synopsys.com> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Diffstat (limited to 'drivers/usb/dwc2')
-rw-r--r--drivers/usb/dwc2/hcd_queue.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/usb/dwc2/hcd_queue.c b/drivers/usb/dwc2/hcd_queue.c
index b5c7793a2df2..13754353251f 100644
--- a/drivers/usb/dwc2/hcd_queue.c
+++ b/drivers/usb/dwc2/hcd_queue.c
@@ -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;