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| author | Paul Mackerras <paulus@samba.org> | 2006-08-31 15:45:48 +1000 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2006-08-31 15:45:48 +1000 |
| commit | aa43f77939c97bf9d3580c6a5e71a5a40290e451 (patch) | |
| tree | 095c0b8b3da4b6554a3f8ef4b39240a5d9216d4d /drivers/scsi/libata-scsi.c | |
| parent | 2818c5dec5e28d65d52afbb7695bbbafe6377ee5 (diff) | |
| parent | 4c15343167b5febe7bb0ba96aad5bef42ae94d3b (diff) | |
| download | linux-3.10-aa43f77939c97bf9d3580c6a5e71a5a40290e451.tar.gz linux-3.10-aa43f77939c97bf9d3580c6a5e71a5a40290e451.tar.bz2 linux-3.10-aa43f77939c97bf9d3580c6a5e71a5a40290e451.zip | |
Merge branch 'merge'
Diffstat (limited to 'drivers/scsi/libata-scsi.c')
| -rw-r--r-- | drivers/scsi/libata-scsi.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/scsi/libata-scsi.c b/drivers/scsi/libata-scsi.c index 7ced41ecde8..e92c31d698f 100644 --- a/drivers/scsi/libata-scsi.c +++ b/drivers/scsi/libata-scsi.c @@ -2353,6 +2353,19 @@ static void atapi_qc_complete(struct ata_queued_cmd *qc) ata_gen_ata_desc_sense(qc); } + /* SCSI EH automatically locks door if sdev->locked is + * set. Sometimes door lock request continues to + * fail, for example, when no media is present. This + * creates a loop - SCSI EH issues door lock which + * fails and gets invoked again to acquire sense data + * for the failed command. + * + * If door lock fails, always clear sdev->locked to + * avoid this infinite loop. + */ + if (qc->cdb[0] == ALLOW_MEDIUM_REMOVAL) + qc->dev->sdev->locked = 0; + qc->scsicmd->result = SAM_STAT_CHECK_CONDITION; qc->scsidone(cmd); ata_qc_free(qc); |