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| author | John W. Linville <linville@tuxdriver.com> | 2006-08-14 15:33:54 -0400 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2006-08-14 15:33:54 -0400 |
| commit | e9ffb3d7ec94083a44a8721681391beca2ffd68c (patch) | |
| tree | 6768ab487b3f44c2a4995ee61307e47760ca9b88 /drivers/scsi/libata-scsi.c | |
| parent | 8b9411014e6f18a883c18b38f41338dbd53fddea (diff) | |
| parent | e9fa4f7bd291c29a785666e2fa5a9cf3241ee6c3 (diff) | |
| download | op-kernel-dev-e9ffb3d7ec94083a44a8721681391beca2ffd68c.zip op-kernel-dev-e9ffb3d7ec94083a44a8721681391beca2ffd68c.tar.gz | |
Merge branch 'from-linus' into upstream
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 7ced41e..e92c31d 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); |
