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| author | Damien Le Moal <damien.lemoal@hgst.com> | 2016-07-14 09:05:50 +0900 |
|---|---|---|
| committer | Tejun Heo <tj@kernel.org> | 2016-07-15 08:08:14 -0400 |
| commit | ee194b75318df718827677d150ebdc31086b121b (patch) | |
| tree | 22b7e3434f8ed91b447b83630312d9e3a4aa6944 /drivers/ata | |
| parent | 3f17422b425afd91f4fb45b8f47ffd61b02c0bb8 (diff) | |
| download | linux-0-day-ee194b75318df718827677d150ebdc31086b121b.tar.gz linux-0-day-ee194b75318df718827677d150ebdc31086b121b.tar.xz | |
libata-scsi: Fix ZBC management out command translation
The subcommand for NCQ NON-DATA must be specified in the feature
(low byte), not the high-order count byte. Also make sure to properly
cast the all bit to a u16 before shiting it by 8 to avoid undefined
behavior.
Signed-off-by: Damien Le Moal <damien.lemoal@hgst.com>
[hch: split the original patch into two, updated changelog]
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Tejun Heo <tj@kernel.org>
Diffstat (limited to 'drivers/ata')
| -rw-r--r-- | drivers/ata/libata-scsi.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c index 45d8ae63cdf09..d978153c06ef3 100644 --- a/drivers/ata/libata-scsi.c +++ b/drivers/ata/libata-scsi.c @@ -3553,9 +3553,9 @@ static unsigned int ata_scsi_zbc_out_xlat(struct ata_queued_cmd *qc) ata_fpdma_zac_mgmt_out_supported(qc->dev)) { tf->protocol = ATA_PROT_NCQ_NODATA; tf->command = ATA_CMD_NCQ_NON_DATA; - tf->hob_nsect = ATA_SUBCMD_NCQ_NON_DATA_ZAC_MGMT_OUT; + tf->feature = ATA_SUBCMD_NCQ_NON_DATA_ZAC_MGMT_OUT; tf->nsect = qc->tag << 3; - tf->auxiliary = sa | (reset_all & 0x1) << 8; + tf->auxiliary = sa | ((u16)(reset_all & 0x1) << 8); } else { tf->protocol = ATA_PROT_NODATA; tf->command = ATA_CMD_ZAC_MGMT_OUT; |