Check that the bonded device has no slaves before detaching it.
Fixes: 8d30fe7fa737 ("bonding: support port hotplug")
Signed-off-by: Bernard Iremonger <bernard.iremonger at intel.com>
---
drivers/net/bonding/rte_eth_bond_api.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/drivers/net/bonding/rte_eth_bond_api.c
b/drivers/net/bonding/rte_eth_bond_api.c
index 8a000c8..484a6f3 100644
--- a/drivers/net/bonding/rte_eth_bond_api.c
+++ b/drivers/net/bonding/rte_eth_bond_api.c
@@ -1,7 +1,7 @@
/*-
* BSD LICENSE
*
- * Copyright(c) 2010-2015 Intel Corporation. All rights reserved.
+ * Copyright(c) 2010-2016 Intel Corporation. All rights reserved.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -277,6 +277,7 @@ int
rte_eth_bond_free(const char *name)
{
struct rte_eth_dev *eth_dev = NULL;
+ struct bond_dev_private *internals;
/* now free all data allocation - for eth_dev structure,
* dummy pci driver and internal (private) data
@@ -287,6 +288,10 @@ rte_eth_bond_free(const char *name)
if (eth_dev == NULL)
return -ENODEV;
+ internals = eth_dev->data->dev_private;
+ if (internals->slave_count != 0)
+ return -EBUSY;
+
if (eth_dev->data->dev_started == 1) {
bond_ethdev_stop(eth_dev);
bond_ethdev_close(eth_dev);
--
2.6.3
