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authorVladimir Oltean <vladimir.oltean@nxp.com>2021-02-04 17:33:51 +0100
committerJakub Kicinski <kuba@kernel.org>2021-02-05 05:22:00 +0100
commit8fd54a73b7cda11548154451bdb4bde6d8ff74c7 (patch)
treeacfaafe203d44286c9be0a1c86e0b1177e4528ce /net/dsa
parentnet: enetc: initialize the RFS and RSS memories (diff)
downloadlinux-8fd54a73b7cda11548154451bdb4bde6d8ff74c7.tar.xz
linux-8fd54a73b7cda11548154451bdb4bde6d8ff74c7.zip
net: dsa: call teardown method on probe failure
Since teardown is supposed to undo the effects of the setup method, it should be called in the error path for dsa_switch_setup, not just in dsa_switch_teardown. Fixes: 5e3f847a02aa ("net: dsa: Add teardown callback for drivers") Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Link: https://lore.kernel.org/r/20210204163351.2929670-1-vladimir.oltean@nxp.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/dsa')
-rw-r--r--net/dsa/dsa2.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/net/dsa/dsa2.c b/net/dsa/dsa2.c
index a47e0f9b20d0..a04fd637b4cd 100644
--- a/net/dsa/dsa2.c
+++ b/net/dsa/dsa2.c
@@ -462,20 +462,23 @@ static int dsa_switch_setup(struct dsa_switch *ds)
ds->slave_mii_bus = devm_mdiobus_alloc(ds->dev);
if (!ds->slave_mii_bus) {
err = -ENOMEM;
- goto unregister_notifier;
+ goto teardown;
}
dsa_slave_mii_bus_init(ds);
err = mdiobus_register(ds->slave_mii_bus);
if (err < 0)
- goto unregister_notifier;
+ goto teardown;
}
ds->setup = true;
return 0;
+teardown:
+ if (ds->ops->teardown)
+ ds->ops->teardown(ds);
unregister_notifier:
dsa_switch_unregister_notifier(ds);
unregister_devlink_ports: