linux-kernel - Re: [PATCH] i2c: core: decrease reference count of device node in i2c_unregister

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Message-ID: <20171127182145.q4tju5ikw56nygki@ninjato>
Date:   Mon, 27 Nov 2017 19:21:45 +0100
From:   Wolfram Sang <wsa@...-dreams.de>
To:     Lixin Wang <alan.1.wang@...ia-sbell.com>
Cc:     linux-i2c@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] i2c: core: decrease reference count of device node in
 i2c_unregister_device

On Mon, Nov 27, 2017 at 03:06:55PM +0800, Lixin Wang wrote:
> Reference count of device node was increased in of_i2c_register_device,
> but without decreasing it in i2c_unregister_device. 

Huh, there is an of_node_put(bus) in of_i2c_register_device?

> Then the dynamically
> added device node will never be released.

Strange. Can you provide your test case, please?


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