linux-kernel - Re: [PATCH 0/2] [media] exynos4-is: Trivial fixes for DT port/endpoint parse logic

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Date:	Fri, 11 Mar 2016 14:09:00 +0100
From:	Sylwester Nawrocki <s.nawrocki@...sung.com>
To:	Javier Martinez Canillas <javier@....samsung.com>
Cc:	Krzysztof Kozlowski <k.kozlowski@...sung.com>,
	linux-kernel@...r.kernel.org, Kukjin Kim <kgene@...nel.org>,
	Mauro Carvalho Chehab <mchehab@....samsung.com>,
	linux-samsung-soc@...r.kernel.org,
	Kyungmin Park <kyungmin.park@...sung.com>,
	linux-arm-kernel@...ts.infradead.org, linux-media@...r.kernel.org
Subject: Re: [PATCH 0/2] [media] exynos4-is: Trivial fixes for DT port/endpoint
 parse logic

On 03/07/2016 03:30 PM, Javier Martinez Canillas wrote:
> Thanks, I just noticed another similar issue in the driver now and is
> that fimc_is_parse_sensor_config() uses the same struct device_node *
> for looking up the I2C sensor, port and endpoint and thus not doing a
> of_node_put() for all the nodes on the error path.
> 
> I think the right fix is to have a separate struct device_node * for
> each so their reference counter can be incremented and decremented.

Yes, the node reference count is indeed not handled very well there,
feel free to submit a patch to fix that bug.

-- 
Regards,
Sylwester