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ibmvnic: Clean up resources on probe failure

Browse source 
Ensure that any resources allocated during probe are released if the
probe of the driver fails.

Signed-off-by: Nathan Fontenot <nfont@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Nathan Fontenot 2017-08-08 14:28:45 -05:00 • committed by David S. Miller
commit 7c1885ae9a
1 changed files with 15 additions and 11 deletions
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26
drivers/net/ethernet/ibm/ibmvnic.c
View file

@ -3841,31 +3841,35 @@ static int ibmvnic_probe(struct vio_dev *dev, const struct vio_device_id *id)
do {
rc = ibmvnic_init(adapter);
if (rc && rc != EAGAIN) {
free_netdev(netdev);
return rc;
}
if (rc && rc != EAGAIN)
goto ibmvnic_init_fail;
} while (rc == EAGAIN);
netdev->mtu = adapter->req_mtu - ETH_HLEN;
rc = device_create_file(&dev->dev, &dev_attr_failover);
if (rc) {
free_netdev(netdev);
return rc;
}
if (rc)
goto ibmvnic_init_fail;
rc = register_netdev(netdev);
if (rc) {
dev_err(&dev->dev, "failed to register netdev rc=%d\n", rc);
device_remove_file(&dev->dev, &dev_attr_failover);
free_netdev(netdev);
return rc;
goto ibmvnic_register_fail;
}
dev_info(&dev->dev, "ibmvnic registered\n");
adapter->state = VNIC_PROBED;
return 0;
ibmvnic_register_fail:
device_remove_file(&dev->dev, &dev_attr_failover);
ibmvnic_init_fail:
release_sub_crqs(adapter);
release_crq_queue(adapter);
free_netdev(netdev);
return rc;
}
static int ibmvnic_remove(struct vio_dev *dev)