From: Sascha Hauer <sha@pengutronix.de>
To: Ahmad Fatoum <ahmad@a3f.at>
Cc: barebox@lists.infradead.org
Subject: Re: [PATCH master v2] base: driver: fix double removal of child devices
Date: Sat, 2 Oct 2021 11:35:16 +0200 [thread overview]
Message-ID: <20211002093516.GK28453@pengutronix.de> (raw)
In-Reply-To: <20210913101753.465831-1-ahmad@a3f.at>
On Mon, Sep 13, 2021 at 12:17:53PM +0200, Ahmad Fatoum wrote:
> Child devices like an ext4 file system on a partition may be removed
> twice: Once because they're in the active devices list and then once
> more, because unregister_device is called for the children of its parent.
>
> As struct bus_type::remove clears association of a driver with its
> device, we can set struct device_d::driver to NULL. unregister_device
> will then skip the second dev->bus->remove.
>
> Fixes: 29f1c211d86c ("fs: don't free device in remove callback")
> Signed-off-by: Ahmad Fatoum <ahmad@a3f.at>
> ---
> v1 -> v2:
> - remove left-over if condition line (Jules)
> ---
> drivers/base/driver.c | 4 +++-
> 1 file changed, 3 insertions(+), 1 deletion(-)
Applied, thanks
Sascha
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prev parent reply other threads:[~2021-10-02 9:36 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-13 10:17 Ahmad Fatoum
2021-10-02 9:35 ` Sascha Hauer [this message]
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