Author: avg
Date: Fri Aug 28 08:52:00 2020
New Revision: 364905
URL: https://svnweb.freebsd.org/changeset/base/364905
Log:
MFC r354668 by imp: Fix a race between daopen and damediapoll
Modified:
stable/12/sys/cam/scsi/scsi_da.c
Directory Properties:
stable/12/ (props changed)
Modified: stable/12/sys/cam/scsi/scsi_da.c
==============================================================================
--- stable/12/sys/cam/scsi/scsi_da.c Fri Aug 28 08:50:07 2020
(r364904)
+++ stable/12/sys/cam/scsi/scsi_da.c Fri Aug 28 08:52:00 2020
(r364905)
@@ -5929,6 +5929,7 @@ damediapoll(void *arg)
if (!cam_iosched_has_work_flags(softc->cam_iosched, DA_WORK_TUR) &&
(softc->flags & DA_FLAG_TUR_PENDING) == 0 &&
+ softc->state == DA_STATE_NORMAL &&
LIST_EMPTY(&softc->pending_ccbs)) {
if (da_periph_acquire(periph, DA_REF_TUR) == 0) {
cam_iosched_set_work_flags(softc->cam_iosched,
DA_WORK_TUR);
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