bond: check null before use

Signed-off-by: Declan Doherty <declan.doherty@intel.com>

diff --git a/lib/librte_pmd_bond/rte_eth_bond_pmd.c b/lib/librte_pmd_bond/rte_eth_bond_pmd.c
index 3db473b..bb4a537 100644 (file)
--- a/lib/librte_pmd_bond/rte_eth_bond_pmd.c
+++ b/lib/librte_pmd_bond/rte_eth_bond_pmd.c
@@ -764,8 +764,6 @@ mac_address_get(struct rte_eth_dev *eth_dev, struct ether_addr *dst_mac_addr)
 {
        struct ether_addr *mac_addr;
 
-       mac_addr = eth_dev->data->mac_addrs;
-
        if (eth_dev == NULL) {
                RTE_LOG(ERR, PMD, "%s: NULL pointer eth_dev specified\n", __func__);
                return -1;
@@ -776,6 +774,8 @@ mac_address_get(struct rte_eth_dev *eth_dev, struct ether_addr *dst_mac_addr)
                return -1;
        }
 
+       mac_addr = eth_dev->data->mac_addrs;
+
        ether_addr_copy(mac_addr, dst_mac_addr);
        return 0;
 }
@@ -785,8 +785,6 @@ mac_address_set(struct rte_eth_dev *eth_dev, struct ether_addr *new_mac_addr)
 {
        struct ether_addr *mac_addr;
 
-       mac_addr = eth_dev->data->mac_addrs;
-
        if (eth_dev == NULL) {
                RTE_BOND_LOG(ERR, "NULL pointer eth_dev specified");
                return -1;
@@ -797,6 +795,8 @@ mac_address_set(struct rte_eth_dev *eth_dev, struct ether_addr *new_mac_addr)
                return -1;
        }
 
+       mac_addr = eth_dev->data->mac_addrs;
+
        /* If new MAC is different to current MAC then update */
        if (memcmp(mac_addr, new_mac_addr, sizeof(*mac_addr)) != 0)
                memcpy(mac_addr, new_mac_addr, sizeof(*mac_addr));