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-rw-r--r--drivers/ata/libata-scsi.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c
index ef8567de6a75..72691fd93948 100644
--- a/drivers/ata/libata-scsi.c
+++ b/drivers/ata/libata-scsi.c
@@ -1993,7 +1993,11 @@ static unsigned int ata_scsiop_inq_std(struct ata_scsi_args *args, u8 *rbuf)
memcpy(rbuf, hdr, sizeof(hdr));
memcpy(&rbuf[8], "ATA ", 8);
ata_id_string(args->id, &rbuf[16], ATA_ID_PROD, 16);
- ata_id_string(args->id, &rbuf[32], ATA_ID_FW_REV, 4);
+
+ /* From SAT, use last 2 words from fw rev unless they are spaces */
+ ata_id_string(args->id, &rbuf[32], ATA_ID_FW_REV + 2, 4);
+ if (strncmp(&rbuf[32], " ", 4) == 0)
+ ata_id_string(args->id, &rbuf[32], ATA_ID_FW_REV, 4);
if (rbuf[32] == 0 || rbuf[32] == ' ')
memcpy(&rbuf[32], "n/a ", 4);