From: "Luca Ceresoli" <luca.ceresoli@bootlin.com>
To: "Kory Maincent" <kory.maincent@bootlin.com>,
"Jyri Sarha" <jsarha@ti.com>,
"Russell King" <rmk+kernel@armlinux.org.uk>,
<dri-devel@lists.freedesktop.org>, <linux-kernel@vger.kernel.org>
Cc: "Bajjuri Praneeth" <praneeth@ti.com>,
"kernel test robot" <lkp@intel.com>,
<thomas.petazzoni@bootlin.com>,
"Russell King" <linux@armlinux.org.uk>,
"Andrzej Hajda" <andrzej.hajda@intel.com>,
"Neil Armstrong" <neil.armstrong@linaro.org>,
"Robert Foss" <rfoss@kernel.org>,
"Laurent Pinchart" <Laurent.pinchart@ideasonboard.com>,
"Jonas Karlman" <jonas@kwiboo.se>,
"Jernej Skrabec" <jernej.skrabec@gmail.com>,
"Maarten Lankhorst" <maarten.lankhorst@linux.intel.com>,
"Maxime Ripard" <mripard@kernel.org>,
"Thomas Zimmermann" <tzimmermann@suse.de>,
"David Airlie" <airlied@gmail.com>,
"Simona Vetter" <simona@ffwll.ch>
Subject: Re: [PATCH] drm/bridge: tda998x: Return NULL instead of 0 in tda998x_edid_read()
Date: Fri, 17 Apr 2026 18:12:23 +0200 [thread overview]
Message-ID: <DHVK967C5MJZ.180MLBBA7DEKY@bootlin.com> (raw)
In-Reply-To: <20260417155446.1068893-1-kory.maincent@bootlin.com>
On Fri Apr 17, 2026 at 5:54 PM CEST, Kory Maincent wrote:
> From: "Kory Maincent (TI)" <kory.maincent@bootlin.com>
>
> tda998x_edid_read() returns a const struct drm_edid pointer, but when
> tda998x_edid_delay_wait() fails (process killed while waiting for the
> HPD timeout), the integer literal 0 is returned instead of NULL,
> triggering a sparse warning: "Using plain integer as NULL pointer"
>
> Replace 0 with NULL to fix the sparse warning.
>
> Fixes: c76a8be4feec ("drm/bridge: tda998x: Add support for DRM_BRIDGE_ATTACH_NO_CONNECTOR")
> Reported-by: kernel test robot <lkp@intel.com>
> Closes: https://lore.kernel.org/oe-kbuild-all/202604172257.Imo6GOH9-lkp@intel.com/
> Signed-off-by: Kory Maincent (TI) <kory.maincent@bootlin.com>
Reviewed-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
--
Luca Ceresoli, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com
prev parent reply other threads:[~2026-04-17 16:12 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-04-17 15:54 [PATCH] drm/bridge: tda998x: Return NULL instead of 0 in tda998x_edid_read() Kory Maincent
2026-04-17 16:12 ` Luca Ceresoli [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=DHVK967C5MJZ.180MLBBA7DEKY@bootlin.com \
--to=luca.ceresoli@bootlin.com \
--cc=Laurent.pinchart@ideasonboard.com \
--cc=airlied@gmail.com \
--cc=andrzej.hajda@intel.com \
--cc=dri-devel@lists.freedesktop.org \
--cc=jernej.skrabec@gmail.com \
--cc=jonas@kwiboo.se \
--cc=jsarha@ti.com \
--cc=kory.maincent@bootlin.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux@armlinux.org.uk \
--cc=lkp@intel.com \
--cc=maarten.lankhorst@linux.intel.com \
--cc=mripard@kernel.org \
--cc=neil.armstrong@linaro.org \
--cc=praneeth@ti.com \
--cc=rfoss@kernel.org \
--cc=rmk+kernel@armlinux.org.uk \
--cc=simona@ffwll.ch \
--cc=thomas.petazzoni@bootlin.com \
--cc=tzimmermann@suse.de \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox