drivers: net: qlcnic: Fix potential memory leak in qlcnic_sriov_init()

If vp alloc failed in qlcnic_sriov_init(), all previously allocated vp
needs to be freed.

Fixes: f197a7aa ("qlcnic: VF-PF communication channel implementation")
Signed-off-by: Yuan Can <yuancan@huawei.com>
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_common.c

@@ -221,6 +221,8 @@ int qlcnic_sriov_init(struct qlcnic_adapter *adapter, int num_vfs)
 	return 0;
 
 qlcnic_destroy_async_wq:
+	while (i--)
+		kfree(sriov->vf_info[i].vp);
 	destroy_workqueue(bc->bc_async_wq);
 
 qlcnic_destroy_trans_wq: