svn commit: r364905 - stable/12/sys/cam/scsi

[Andriy Gapon]

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);