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Diffstat (limited to 'sys/cam/scsi/scsi_ch.c')
-rw-r--r--sys/cam/scsi/scsi_ch.c12
1 files changed, 8 insertions, 4 deletions
diff --git a/sys/cam/scsi/scsi_ch.c b/sys/cam/scsi/scsi_ch.c
index b83bc53..bc398e7 100644
--- a/sys/cam/scsi/scsi_ch.c
+++ b/sys/cam/scsi/scsi_ch.c
@@ -337,7 +337,8 @@ chasync(void *callback_arg, u_int32_t code, struct cam_path *path, void *arg)
if (cgd->protocol != PROTO_SCSI)
break;
-
+ if (SID_QUAL(&cgd->inq_data) != SID_QUAL_LU_CONNECTED)
+ break;
if (SID_TYPE(&cgd->inq_data)!= T_CHANGER)
break;
@@ -654,11 +655,13 @@ chdone(struct cam_periph *periph, union ccb *done_ccb)
*/
return;
} else if (error != 0) {
- int retry_scheduled;
struct scsi_mode_sense_6 *sms;
+ int frozen, retry_scheduled;
sms = (struct scsi_mode_sense_6 *)
done_ccb->csio.cdb_io.cdb_bytes;
+ frozen = (done_ccb->ccb_h.status &
+ CAM_DEV_QFRZN) != 0;
/*
* Check to see if block descriptors were
@@ -669,7 +672,8 @@ chdone(struct cam_periph *periph, union ccb *done_ccb)
* block descriptors were disabled, enable
* them and re-send the command.
*/
- if (sms->byte2 & SMS_DBD) {
+ if ((sms->byte2 & SMS_DBD) != 0 &&
+ (periph->flags & CAM_PERIPH_INVALID) == 0) {
sms->byte2 &= ~SMS_DBD;
xpt_action(done_ccb);
softc->quirks |= CH_Q_NO_DBD;
@@ -678,7 +682,7 @@ chdone(struct cam_periph *periph, union ccb *done_ccb)
retry_scheduled = 0;
/* Don't wedge this device's queue */
- if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
+ if (frozen)
cam_release_devq(done_ccb->ccb_h.path,
/*relsim_flags*/0,
/*reduction*/0,
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