linux-kernel - Re: [PATCH] drm/panel: remove return value of function drm_panel

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Date:   Sat, 1 Aug 2020 16:27:32 +0200
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Bernard Zhao <bernard@...o.com>
Cc:     Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Maxime Ripard <mripard@...nel.org>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        Thierry Reding <thierry.reding@...il.com>,
        Sam Ravnborg <sam@...nborg.org>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Jerry Han <hanxu5@...qin.corp-partner.google.com>,
        Icenowy Zheng <icenowy@...c.io>,
        Jagan Teki <jagan@...rulasolutions.com>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Stefan Mavrodiev <stefan@...mex.com>,
        Robert Chiras <robert.chiras@....com>,
        "open list:DRM PANEL DRIVERS" <dri-devel@...ts.freedesktop.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        opensource.kernel@...o.com
Subject: Re: [PATCH] drm/panel: remove return value of function drm_panel_add

On Sat, Aug 1, 2020 at 2:02 PM Bernard Zhao <bernard@...o.com> wrote:

> The function "int drm_panel_add(struct drm_panel *panel)"
> always returns 0, this return value is meaningless.
> Also, there is no need to check return value which calls
> "drm_panel_add and", error branch code will never run.
>
> Signed-off-by: Bernard Zhao <bernard@...o.com>

Makes sense.
Reviewed-by: Linus Walleij <linus.walleij@...aro.org>

Yours,
Linus Walleij