From 7c1885ae9aba0d6b3f854dfee099a3c1c796755f Mon Sep 17 00:00:00 2001
From: Nathan Fontenot <nfont@linux.vnet.ibm.com>
Date: Tue, 8 Aug 2017 14:28:45 -0500
Subject: [PATCH] ibmvnic: Clean up resources on probe failure
References: fate#323285
Patch-mainline: v4.14-rc1
Git-commit: 7c1885ae9aba0d6b3f854dfee099a3c1c796755f
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>
Acked-by: Michal Suchanek <msuchanek@suse.de>
---
drivers/net/ethernet/ibm/ibmvnic.c | 26 +++++++++++++++-----------
1 file changed, 15 insertions(+), 11 deletions(-)
diff --git a/drivers/net/ethernet/ibm/ibmvnic.c b/drivers/net/ethernet/ibm/ibmvnic.c
index 32c116652755..cf3cf921eb35 100644
--- a/drivers/net/ethernet/ibm/ibmvnic.c
+++ b/drivers/net/ethernet/ibm/ibmvnic.c
@@ -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)
--
2.10.2