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| author | Tejun Heo <htejun@gmail.com> | 2006-11-21 10:40:51 +0900 |
|---|---|---|
| committer | Tejun Heo <htejun@gmail.com> | 2006-12-03 17:56:23 +0900 |
| commit | a569a30d301e4dbc0ad67a211292edece2da1146 (patch) | |
| tree | 3c1fcb81485de3c5489c32251e9b671897517f6c /drivers/ata/libata-eh.c | |
| parent | 6a36261e63770ab61422550b774fe949ccca5fa9 (diff) | |
| download | linux-next-a569a30d301e4dbc0ad67a211292edece2da1146.tar.gz | |
[PATCH] libata: don't request sense if the port is frozen
If EH command is issued to a frozen port, it fails with AC_ERR_SYSTEM.
libata used to request sense even when the port is frozen needlessly
adding AC_ERR_SYSTEM to err_mask. Don't do it.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Diffstat (limited to 'drivers/ata/libata-eh.c')
| -rw-r--r-- | drivers/ata/libata-eh.c | 28 |
1 files changed, 15 insertions, 13 deletions
diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c index 5aa7f0907e83..2aad7b79d6dd 100644 --- a/drivers/ata/libata-eh.c +++ b/drivers/ata/libata-eh.c @@ -1136,19 +1136,21 @@ static unsigned int ata_eh_analyze_tf(struct ata_queued_cmd *qc, break; case ATA_DEV_ATAPI: - tmp = atapi_eh_request_sense(qc->dev, - qc->scsicmd->sense_buffer); - if (!tmp) { - /* ATA_QCFLAG_SENSE_VALID is used to tell - * atapi_qc_complete() that sense data is - * already valid. - * - * TODO: interpret sense data and set - * appropriate err_mask. - */ - qc->flags |= ATA_QCFLAG_SENSE_VALID; - } else - qc->err_mask |= tmp; + if (!(qc->ap->pflags & ATA_PFLAG_FROZEN)) { + tmp = atapi_eh_request_sense(qc->dev, + qc->scsicmd->sense_buffer); + if (!tmp) { + /* ATA_QCFLAG_SENSE_VALID is used to + * tell atapi_qc_complete() that sense + * data is already valid. + * + * TODO: interpret sense data and set + * appropriate err_mask. + */ + qc->flags |= ATA_QCFLAG_SENSE_VALID; + } else + qc->err_mask |= tmp; + } } if (qc->err_mask & (AC_ERR_HSM | AC_ERR_TIMEOUT | AC_ERR_ATA_BUS)) |