[PATCH] drm/komeda: Clean warnings: candidate for 'gnu_printfâ format attribute

From: james qian wang (Arm Technology China)
Date: Thu Nov 14 2019 - 05:04:51 EST


komeda/komeda_event.c: In function âkomeda_sprintfâ:
komeda/komeda_event.c:31:2: warning: function âkomeda_sprintfâ might be a candidate for âgnu_printfâ format attribute [-Wsuggest-attribute=format]
num = vsnprintf(str->str + str->len, free_sz, fmt, args);

v2: Update the comment msg.

Signed-off-by: james qian wang (Arm Technology China) <james.qian.wang@xxxxxxx>
---
drivers/gpu/drm/arm/display/komeda/komeda_event.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_event.c b/drivers/gpu/drm/arm/display/komeda/komeda_event.c
index bf269683f811..977c38d516da 100644
--- a/drivers/gpu/drm/arm/display/komeda/komeda_event.c
+++ b/drivers/gpu/drm/arm/display/komeda/komeda_event.c
@@ -17,6 +17,7 @@ struct komeda_str {

/* return 0 on success, < 0 on no space.
*/
+__printf(2, 3)
static int komeda_sprintf(struct komeda_str *str, const char *fmt, ...)
{
va_list args;
--
2.20.1