[dpdk-dev] [PATCH] bonding: fix crash when no slave devices

[Bernard Iremonger]

If a bonded device is created when there are no slave devices
there is loop in bond_ethdev_promiscous_enable() which results
in a segmentation fault.
I have applied a similar fix to bond_ethdev_promiscous_disable()
where a similar loop could occur.

Fixes: 2efb58cbab6e ("bond: new link bonding library")
Signed-off-by: Bernard Iremonger <bernard.iremonger at intel.com>
---
 drivers/net/bonding/rte_eth_bond_pmd.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/net/bonding/rte_eth_bond_pmd.c b/drivers/net/bonding/rte_eth_bond_pmd.c
index b63c886..78972fc 100644
--- a/drivers/net/bonding/rte_eth_bond_pmd.c
+++ b/drivers/net/bonding/rte_eth_bond_pmd.c
@@ -1870,7 +1870,8 @@ bond_ethdev_promiscuous_enable(struct rte_eth_dev *eth_dev)
 	case BONDING_MODE_TLB:
 	case BONDING_MODE_ALB:
 	default:
-		rte_eth_promiscuous_enable(internals->current_primary_port);
+		if (internals->slave_count > 0)
+			rte_eth_promiscuous_enable(internals->current_primary_port);
 	}
 }
 
@@ -1898,7 +1899,8 @@ bond_ethdev_promiscuous_disable(struct rte_eth_dev *dev)
 	case BONDING_MODE_TLB:
 	case BONDING_MODE_ALB:
 	default:
-		rte_eth_promiscuous_disable(internals->current_primary_port);
+		if (internals->slave_count > 0)
+			rte_eth_promiscuous_disable(internals->current_primary_port);
 	}
 }
 
-- 
2.6.3