diff options
| -rw-r--r-- | drivers/ata/libata-sff.c | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/drivers/ata/libata-sff.c b/drivers/ata/libata-sff.c index 1d28b1cd8baa..b3be7a8f5bea 100644 --- a/drivers/ata/libata-sff.c +++ b/drivers/ata/libata-sff.c @@ -1842,9 +1842,10 @@ unsigned int ata_sff_dev_classify(struct ata_device *dev, int present, /* determine if device is ATA or ATAPI */ class = ata_port_classify(ap, &tf); - - if (class == ATA_DEV_UNKNOWN) { - /* If the device failed diagnostic, it's likely to + switch (class) { + case ATA_DEV_UNKNOWN: + /* + * If the device failed diagnostic, it's likely to * have reported incorrect device signature too. * Assume ATA device if the device seems present but * device signature is invalid with diagnostic @@ -1854,10 +1855,12 @@ unsigned int ata_sff_dev_classify(struct ata_device *dev, int present, class = ATA_DEV_ATA; else class = ATA_DEV_NONE; - } else if ((class == ATA_DEV_ATA) && - (ap->ops->sff_check_status(ap) == 0)) - class = ATA_DEV_NONE; - + break; + case ATA_DEV_ATA: + if (ap->ops->sff_check_status(ap) == 0) + class = ATA_DEV_NONE; + break; + } return class; } EXPORT_SYMBOL_GPL(ata_sff_dev_classify); |