From: Pavel Machek <pavel@ucw.cz>
To: Sakari Ailus <sakari.ailus@linux.intel.com>
Cc: linux-media@vger.kernel.org
Subject: Re: [RFC 1/1] omap3isp: Ignore endpoints with invalid configuration
Date: Tue, 28 Feb 2017 13:35:34 +0100 [thread overview]
Message-ID: <20170228123534.GB4307@amd> (raw)
In-Reply-To: <1488283350-5695-1-git-send-email-sakari.ailus@linux.intel.com>
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On Tue 2017-02-28 14:02:30, Sakari Ailus wrote:
> If endpoint has an invalid configuration, ignore it instead of happily
> proceeding to use it nonetheless. Ignoring such an endpoint is better than
> failing since there could be multiple endpoints, only some of which are
> bad.
>
> Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
> ---
> Hi Pavel,
>
> How about this one? isp_fwnode_parse() is expected to return an error if
> there's one but currently it's quite shy. With this patch, the faulty
> endpoint is simply ignored. This is completely untested so far.
Does not seem to break anything.
Tested-by: Pavel Machek <pavel@ucw.cz>
Pavel
> drivers/media/platform/omap3isp/isp.c | 8 +++++---
> 1 file changed, 5 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/media/platform/omap3isp/isp.c b/drivers/media/platform/omap3isp/isp.c
> index 95850b9..8026221 100644
> --- a/drivers/media/platform/omap3isp/isp.c
> +++ b/drivers/media/platform/omap3isp/isp.c
> @@ -2120,10 +2120,12 @@ static int isp_fwnodes_parse(struct device *dev,
> if (!isd)
> goto error;
>
> - notifier->subdevs[notifier->num_subdevs] = &isd->asd;
> + if (isp_fwnode_parse(dev, fwn, isd)) {
> + devm_kfree(dev, isd);
> + continue;
> + }
>
> - if (isp_fwnode_parse(dev, fwn, isd))
> - goto error;
> + notifier->subdevs[notifier->num_subdevs] = &isd->asd;
>
> isd->asd.match.fwnode.fwn =
> fwnode_graph_get_remote_port_parent(fwn);
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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next prev parent reply other threads:[~2017-02-28 12:36 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-02-28 12:02 [RFC 1/1] omap3isp: Ignore endpoints with invalid configuration Sakari Ailus
2017-02-28 12:35 ` Pavel Machek [this message]
2017-02-28 12:45 ` Sakari Ailus
2017-02-28 19:30 ` Pavel Machek
2017-03-01 7:33 ` Sakari Ailus
2017-03-01 10:37 ` Pavel Machek
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