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net: dsa: felix: don't deinitialize unused ports

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[ Upstream commit 42b5adbbac03bdb396192316c015fa3e64ffd5a1 ]

ocelot_init_port is called only if dsa_is_unused_port == false, however
ocelot_deinit_port is called unconditionally. This causes a warning in
the skb_queue_purge inside ocelot_deinit_port saying that the spin lock
protecting ocelot_port->tx_skbs was not initialized.

Fixes: e5fb512d81 ("net: mscc: ocelot: deinitialize only initialized ports")
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Vladimir Oltean 2021-02-16 13:14:46 +02:00 committed by Greg Kroah-Hartman
parent 51b1868b71
commit 100676d5c4
1 changed files with 5 additions and 1 deletions
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6
drivers/net/dsa/ocelot/felix.c
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@ -638,8 +638,12 @@ static void felix_teardown(struct dsa_switch *ds)
ocelot_deinit_timestamp(ocelot);
ocelot_deinit(ocelot);
for (port = 0; port < ocelot->num_phys_ports; port++)
for (port = 0; port < ocelot->num_phys_ports; port++) {
if (dsa_is_unused_port(ds, port))
continue;
ocelot_deinit_port(ocelot, port);
}
if (felix->info->mdio_bus_free)
felix->info->mdio_bus_free(ocelot);