struct mwifiex_private *priv;
        const struct mwifiex_pcie_card_reg *reg;
        u32 fw_status;
-       int ret;
 
        card = pci_get_drvdata(pdev);
 
 
        reg = card->pcie.reg;
        if (reg)
-               ret = mwifiex_read_reg(adapter, reg->fw_status, &fw_status);
+               mwifiex_read_reg(adapter, reg->fw_status, &fw_status);
        else
                fw_status = -1;
 
        struct pcie_service_card *card = adapter->card;
        struct pci_dev *pdev = card->dev;
        const struct mwifiex_pcie_card_reg *reg = card->pcie.reg;
-       int ret;
        u32 fw_status;
 
        cancel_work_sync(&card->work);
 
-       ret = mwifiex_read_reg(adapter, reg->fw_status, &fw_status);
+       mwifiex_read_reg(adapter, reg->fw_status, &fw_status);
        if (fw_status == FIRMWARE_READY_PCIE) {
                mwifiex_dbg(adapter, INFO,
                            "Clearing driver ready signature\n");