[PATCH master v2] base: driver: fix double removal of child devices

[Sascha Hauer]

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 at 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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