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

From: Mihail Atanassov
Date: Thu Nov 14 2019 - 03:48:14 EST


Hi James,

On Thursday, 14 November 2019 07:18:56 GMT james qian wang (Arm Technology China) wrote:
> komeda/komeda_pipeline.c: In function âkomeda_component_addâ:
> komeda/komeda_pipeline.c:213:3: warning: function âkomeda_component_addâ might be a candidate for âgnu_printfâ format attribute [-Wsuggest-attribute=format]
> vsnprintf(c->name, sizeof(c->name), name_fmt, args);
> ^~~~~~~~~

The fix for this one isn't in the patch below.

>
> 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);
>
> 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
>
>


--
Mihail