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Re: [PATCH 1/1] drm/sti: use seq_puts to display a string

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  Re: [PATCH 1/1] drm/sti: use seq_puts to display a string Benjamin Gaignard <benjamin.gaignard@linaro.org> - 2017-05-09 12:10 +0200

#1638025 — Re: [PATCH 1/1] drm/sti: use seq_puts to display a string

2017-03-31 21:25 GMT+02:00 Nicolas Iooss <nicolas.iooss_linux@m4x.org>:
> gdp_dbg_ctl() uses seq_printf() to display a color format name even
> though there is no format string. When using -Wformat-string, gcc
> reports the following warning:
>
>     drivers/gpu/drm/sti/sti_gdp.c: In function 'gdp_dbg_ctl':
>     drivers/gpu/drm/sti/sti_gdp.c:150:18: warning: format not a string
>     literal and no format arguments [-Wformat-security]
>         seq_printf(s, gdp_format_to_str[i].name);
>                       ^~~~~~~~~~~~~~~~~
>
> Silence this warning by using seq_puts() instead.
>
> Signed-off-by: Nicolas Iooss <nicolas.iooss_linux@m4x.org>
> ---
>  drivers/gpu/drm/sti/sti_gdp.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/sti/sti_gdp.c b/drivers/gpu/drm/sti/sti_gdp.c
> index 86279f5022c2..1bbfcf01d401 100644
> --- a/drivers/gpu/drm/sti/sti_gdp.c
> +++ b/drivers/gpu/drm/sti/sti_gdp.c
> @@ -147,7 +147,7 @@ static void gdp_dbg_ctl(struct seq_file *s, int val)
>         seq_puts(s, "\tColor:");
>         for (i = 0; i < ARRAY_SIZE(gdp_format_to_str); i++) {
>                 if (gdp_format_to_str[i].format == (val & 0x1F)) {
> -                       seq_printf(s, gdp_format_to_str[i].name);
> +                       seq_puts(s, gdp_format_to_str[i].name);
>                         break;
>                 }
>         }
> --
> 2.11.1
>

Acked-by: Benjamin Gaignard <benjamin.gaignard@linaro.org>

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