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net: dsa: Unregister slave_dev in error path 

With commit 0071f56e46 ("dsa: Register netdev before phy"), we are now trying
to free a network device that has been previously registered, and in case of
errors, this will make us hit the BUG_ON(dev->reg_state != NETREG_UNREGISTERED)
condition.

Fix this by adding a missing unregister_netdev() before free_netdev().

Fixes: 0071f56e46 ("dsa: Register netdev before phy")
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Florian Fainelli 2016-02-17 18:43:22 -08:00 committed by David S. Miller
parent 79be1a1c90
commit 73dcb55653
1 changed files with 1 additions and 0 deletions
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1
net/dsa/slave.c
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@ -1204,6 +1204,7 @@ int dsa_slave_create(struct dsa_switch *ds, struct device *parent,
ret = dsa_slave_phy_setup(p, slave_dev);
if (ret) {
netdev_err(master, "error %d setting up slave phy\n", ret);
unregister_netdev(slave_dev);
free_netdev(slave_dev);
return ret;
}