From mboxrd@z Thu Jan  1 00:00:00 1970
From: Michael Walle <michael@walle.cc>
Date: Wed, 24 Feb 2021 23:52:35 +0100
Subject: [PATCH 4/4] net: dsa: remove master santiy check
In-Reply-To: <20210224164042.21747-5-michael@walle.cc>
References: <20210224164042.21747-1-michael@walle.cc>
 <20210224164042.21747-5-michael@walle.cc>
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Am 2021-02-24 17:40, schrieb Michael Walle:
> Because we probe the master ourselves (and fail if there is no master),
> it is not possible that we don't have a master device.
> 
> There is one catch though: device removal. We don't support that. It
> wasn't supported neither before this patch. Because the master device
> was only set in .pre_probe(), if a device was removed master_dev was a
> dangling pointer and transmitting a frame cause a panic. I don't see a
> good solution without having some sort of notify machanism when a
> udevice is removed.
> 
> Signed-off-by: Michael Walle <michael@walle.cc>

FWIW

Tested-by: Michael Walle <michael@walle.cc> [DSA unit tests]