net/i40e: fix MAC removal check

[ upstream commit 73bd0ad ]

Add return value check for i40e_vsi_delete_mac call in
rte_pmd_i40e_remove_vf_mac_addr as per coverity issue.

Coverity issue: 277224
Fixes: e0cb962 ("net/i40e: add support for representor ports")

Signed-off-by: Herakliusz Lipiec <herakliusz.lipiec@intel.com>
Acked-by: Beilei Xing <beilei.xing@intel.com>

drivers/net/i40e/rte_pmd_i40e.c

@@ -580,6 +580,7 @@ rte_pmd_i40e_remove_vf_mac_addr(uint16_t port, uint16_t vf_id,
 	struct i40e_pf_vf *vf;
 	struct i40e_vsi *vsi;
 	struct i40e_pf *pf;
+	int ret;
 
 	if (i40e_validate_mac_addr((u8 *)mac_addr) != I40E_SUCCESS)
 		return -EINVAL;
@@ -608,8 +609,9 @@ rte_pmd_i40e_remove_vf_mac_addr(uint16_t port, uint16_t vf_id,
 		ether_addr_copy(&null_mac_addr, &vf->mac_addr);
 
 	/* Remove the mac */
-	i40e_vsi_delete_mac(vsi, mac_addr);
-
+	ret = i40e_vsi_delete_mac(vsi, mac_addr);
+	if (ret != I40E_SUCCESS)
+		return ret;
 	return 0;
 }