linux-kernel - Re: [PATCH] drm/bridge: ps8640: Fix size mismatch warning w/ len

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Message-ID: <CAE-0n51hzBrZLwze4-2z+P56KYM6JucpQxmUx1s+D9+VK-f+sA@mail.gmail.com>
Date: Tue, 19 Dec 2023 00:19:16 +0000
From: Stephen Boyd <swboyd@...omium.org>
To: Douglas Anderson <dianders@...omium.org>, dri-devel@...ts.freedesktop.org
Cc: Guenter Roeck <groeck@...omium.org>, Andrzej Hajda <andrzej.hajda@...el.com>, 
	Daniel Vetter <daniel@...ll.ch>, David Airlie <airlied@...il.com>, 
	Jernej Skrabec <jernej.skrabec@...il.com>, Jonas Karlman <jonas@...boo.se>, 
	Laurent Pinchart <Laurent.pinchart@...asonboard.com>, 
	Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>, Maxime Ripard <mripard@...nel.org>, 
	Neil Armstrong <neil.armstrong@...aro.org>, Robert Foss <rfoss@...nel.org>, 
	Sam Ravnborg <sam@...nborg.org>, Thomas Zimmermann <tzimmermann@...e.de>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] drm/bridge: ps8640: Fix size mismatch warning w/ len

Quoting Douglas Anderson (2023-12-18 09:04:54)
> After commit 26195af57798 ("drm/bridge: ps8640: Drop the ability of
> ps8640 to fetch the EDID"), I got an error compiling:
>
>   error: comparison of distinct pointer types
>   ('typeof (len) *' (aka 'unsigned int *') and
>    'typeof (msg->size) *' (aka 'unsigned long *'))
>   [-Werror,-Wcompare-distinct-pointer-types]
>
> Fix it by declaring the `len` as size_t.
>
> Fixes: 26195af57798 ("drm/bridge: ps8640: Drop the ability of ps8640 to fetch the EDID")
> Signed-off-by: Douglas Anderson <dianders@...omium.org>
> ---

Reviewed-by: Stephen Boyd <swboyd@...omium.org>