From: Tyler Erickson tyler.erickson@seagate.com
commit 6d11acd452fd885ef6ace184c9c70bc863a8c72f upstream.
Fixing the page length in the SCSI translation for the concurrent positioning ranges VPD page. It was writing starting in offset 3 rather than offset 2 where the MSB is supposed to start for the VPD page length.
Cc: stable@vger.kernel.org Fixes: fe22e1c2f705 ("libata: support concurrent positioning ranges log") Signed-off-by: Tyler Erickson tyler.erickson@seagate.com Reviewed-by: Muhammad Ahmad muhammad.ahmad@seagate.com Tested-by: Michael English michael.english@seagate.com Reviewed-by: Hannes Reinecke hare@suse.de Signed-off-by: Damien Le Moal damien.lemoal@opensource.wdc.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/ata/libata-scsi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/ata/libata-scsi.c +++ b/drivers/ata/libata-scsi.c @@ -2101,7 +2101,7 @@ static unsigned int ata_scsiop_inq_b9(st
/* SCSI Concurrent Positioning Ranges VPD page: SBC-5 rev 1 or later */ rbuf[1] = 0xb9; - put_unaligned_be16(64 + (int)cpr_log->nr_cpr * 32 - 4, &rbuf[3]); + put_unaligned_be16(64 + (int)cpr_log->nr_cpr * 32 - 4, &rbuf[2]);
for (i = 0; i < cpr_log->nr_cpr; i++, desc += 32) { desc[0] = cpr_log->cpr[i].num;