wdc_ata_err
static int wdc_ata_err(struct ata_drive_datas *, struct ata_bio *, int);
if (wdc_ata_err(drvp, ata_bio, tfd) != WDC_ATA_ERR)
if (wdc_ata_err(drvp, ata_bio, tfd) == WDC_ATA_ERR) {
if (wdc_ata_err(drvp, ata_bio, tfd) != WDC_ATA_ERR)
drv_err = wdc_ata_err(drvp, ata_bio, tfd);