From: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
To: Russell King - ARM Linux <linux@armlinux.org.uk>
Cc: Archit Taneja <architt@codeaurora.org>,
Mark Brown <broonie@kernel.org>, David Airlie <airlied@linux.ie>,
Fabio Estevam <fabio.estevam@freescale.com>,
Daniel Vetter <daniel.vetter@ffwll.ch>,
Koji Matsuoka <koji.matsuoka.xm@renesas.com>,
Thierry Reding <treding@nvidia.com>,
Linux-ALSA <alsa-devel@alsa-project.org>,
Liam Girdwood <lgirdwood@gmail.com>, Simon <horms@verge.net.au>,
<linux-renesas-soc@vger.kernel.org>,
<dri-devel@lists.freedesktop.org>, <linux-kernel@vger.kernel.org>,
Jose Abreu <joabreu@synopsys.com>
Subject: Re: [PATCH v3] drm: bridge: add DesignWare HDMI I2S audio support
Date: Mon, 7 Nov 2016 03:50:00 +0000 [thread overview]
Message-ID: <87twbk9cg8.wl%kuninori.morimoto.gx@renesas.com> (raw)
In-Reply-To: <20161102082758.GV1041@n2100.armlinux.org.uk>
Hi Russell
> > + platform = platform_device_register_full(&pdevinfo);
> > + if (IS_ERR_OR_NULL(platform))
> > + return PTR_ERR(platform);
>
> This is wrong. If platform is NULL, PTR_ERR() will return zero, which
> will be interpreted as success. Please, avoid using IS_ERR_OR_NULL(),
> it leads to exactly this kind of cockup - and it's unnecessary here
> because platform_device_register_full() does not return NULL.
Thank you for your feedback.
Before sending v4 patch, I would like to confirm. Do you meand this ?
# use IS_ERR() instead of IS_ERR_OR_NULL()
platform = platform_device_register_full(&pdevinfo);
if (IS_ERR(platform))
return PTR_ERR(platform);
next prev parent reply other threads:[~2016-11-07 3:57 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-11-02 1:18 [PATCH v3] drm: bridge: add DesignWare HDMI I2S audio support Kuninori Morimoto
2016-11-02 8:27 ` Russell King - ARM Linux
2016-11-07 3:50 ` Kuninori Morimoto [this message]
2016-11-07 14:56 ` Russell King - ARM Linux
2016-11-08 0:20 ` Kuninori Morimoto
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