bonding: fix device initialisation error handling

If the name parameter to rte_eth_bond_create() was NULL,
there was a segmentation fault because eth_dev was also NULL.
Add error handling of mac_addrs memory allocation.
Add call to rte_eth_dev_release_port() in error handling.

Signed-off-by: Bernard Iremonger <bernard.iremonger@intel.com>
Tested-by: Marvin Liu <yong.liu@intel.com>
Acked-by: Michal Jastrzebski <michalx.k.jastrzebski@intel.com>

diff --git a/drivers/net/bonding/rte_eth_bond_api.c b/drivers/net/bonding/rte_eth_bond_api.c
index 4ca26dd..0681d1a 100644 (file)
--- a/drivers/net/bonding/rte_eth_bond_api.c
+++ b/drivers/net/bonding/rte_eth_bond_api.c
@@ -239,6 +239,10 @@ rte_eth_bond_create(const char *name, uint8_t mode, uint8_t socket_id)
 
        eth_dev->data->mac_addrs = rte_zmalloc_socket(name, ETHER_ADDR_LEN, 0,
                        socket_id);
+       if (eth_dev->data->mac_addrs == NULL) {
+               RTE_BOND_LOG(ERR, "Unable to malloc mac_addrs");
+               goto err;
+       }
 
        eth_dev->data->dev_started = 0;
        eth_dev->data->promiscuous = 0;
@@ -285,8 +289,10 @@ rte_eth_bond_create(const char *name, uint8_t mode, uint8_t socket_id)
 err:
        rte_free(pci_dev);
        rte_free(internals);
-       rte_free(eth_dev->data->mac_addrs);
-
+       if (eth_dev != NULL) {
+               rte_free(eth_dev->data->mac_addrs);
+               rte_eth_dev_release_port(eth_dev);
+       }
        return -1;
 }