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The following call path suggests that calling unregister_netdev on an
interface that is up will first bring it down.
enetc_pf_remove
-> unregister_netdev
-> unregister_netdevice_queue
-> unregister_netdevice_many
-> dev_close_many
-> __dev_close_many
-> enetc_close
-> enetc_stop
-> phylink_stop
However, enetc first destroys the phylink instance, then calls
unregister_netdev. This is already dissimilar to the setup (and error
path teardown path) from enetc_pf_probe, but more than that, it is buggy
because it is invalid to call phylink_stop after phylink_destroy.
So let's first unregister the netdev (and let the .ndo_stop events
consume themselves), then destroy the phylink instance, then free the
netdev.
Fixes: 71b77a7a27a3 ("enetc: Migrate to PHYLINK and PCS_LYNX")
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
3af409ca27