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-rw-r--r--drivers/scsi/libata-core.c13
1 files changed, 9 insertions, 4 deletions
diff --git a/drivers/scsi/libata-core.c b/drivers/scsi/libata-core.c
index 73dd6c8deed..427b73a3886 100644
--- a/drivers/scsi/libata-core.c
+++ b/drivers/scsi/libata-core.c
@@ -1256,10 +1256,15 @@ int ata_dev_read_id(struct ata_device *dev, unsigned int *p_class,
swap_buf_le16(id, ATA_ID_WORDS);
/* sanity check */
- if ((class == ATA_DEV_ATA) != (ata_id_is_ata(id) | ata_id_is_cfa(id))) {
- rc = -EINVAL;
- reason = "device reports illegal type";
- goto err_out;
+ rc = -EINVAL;
+ reason = "device reports illegal type";
+
+ if (class == ATA_DEV_ATA) {
+ if (!ata_id_is_ata(id) && !ata_id_is_cfa(id))
+ goto err_out;
+ } else {
+ if (ata_id_is_ata(id))
+ goto err_out;
}
if (post_reset && class == ATA_DEV_ATA) {