Re: [PATCH] drm: connector: remove bogus NULL check

From: Boris Brezillon
Date: Tue Jul 02 2019 - 11:10:01 EST


On Fri, 28 Jun 2019 12:39:05 +0200
Arnd Bergmann <arnd@xxxxxxxx> wrote:

> mode->name is a character array in a structure, checking it's
> address is pointless and causes a warning with some compilers:
>
> drivers/gpu/drm/drm_connector.c:144:15: error: address of array 'mode->name' will always evaluate to 'true'
> [-Werror,-Wpointer-bool-conversion]
> mode->name ? mode->name : "",
> ~~~~~~^~~~ ~
> include/drm/drm_print.h:366:29: note: expanded from macro 'DRM_DEBUG_KMS'
> drm_dbg(DRM_UT_KMS, fmt, ##__VA_ARGS__)
> ^~~~~~~~~~~
>
> Remove the check here.
>
> Fixes: 3aeeb13d8996 ("drm/modes: Support modes names on the command line")
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>

Queued to drm-misc-next-fixes.

Thanks,

Boris

> ---
> drivers/gpu/drm/drm_connector.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/drm_connector.c b/drivers/gpu/drm/drm_connector.c
> index 3afed5677946..b3f2cf7eae9c 100644
> --- a/drivers/gpu/drm/drm_connector.c
> +++ b/drivers/gpu/drm/drm_connector.c
> @@ -141,7 +141,7 @@ static void drm_connector_get_cmdline_mode(struct drm_connector *connector)
>
> DRM_DEBUG_KMS("cmdline mode for connector %s %s %dx%d@%dHz%s%s%s\n",
> connector->name,
> - mode->name ? mode->name : "",
> + mode->name,
> mode->xres, mode->yres,
> mode->refresh_specified ? mode->refresh : 60,
> mode->rb ? " reduced blanking" : "",