On 2016/10/12 20:52, Paul Bolle wrote:
> Zefan Li,
> On Wed, 2016-10-12 at 20:33 +0800, l...@kernel.org wrote:
>> When shutting down the device, the struct ser_cardstate must not be
>> kfree()d immediately after the call to platform_device_unregister()
>> since the embedded struct platform_device is still in use.
>> Move the kfree() call to the release method instead.
>> Signed-off-by: Tilman Schmidt <til...@imap.cc>
>> Fixes: 2869b23e4b95 ("drivers/isdn/gigaset: new M101 driver (v2)")
>> Reported-by: Sasha Levin <sasha.le...@oracle.com>
>> Signed-off-by: Paul Bolle <pebo...@tiscali.nl>
>> Signed-off-by: David S. Miller <da...@davemloft.net>
>> Signed-off-by: Zefan Li <lize...@huawei.com>
> There has been a follow up for this fix. I'll have to dive into my
> archive to see why that was needed.
> It was complicated, because there has been a short period in which this
> fix was correct. Something like that, I'm speaking from memory.
> (Perhaps Tilman's memory is less imperfect.)
> I'll try get back to this shortly (in a day or so).

Thanks for looking into this.

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