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From: Alexander Motin <mav@FreeBSD.org>
Date: Fri, 24 Feb 2017 11:25:32 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
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Subject: svn commit: r314200 - head/sys/cam/ctl
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Author: mav
Date: Fri Feb 24 11:25:32 2017
New Revision: 314200
URL: https://svnweb.freebsd.org/changeset/base/314200

Log:
  We can't access periph after ctlfe_free_ccb().
  
  MFC after:	2 weeks

Modified:
  head/sys/cam/ctl/scsi_ctl.c

Modified: head/sys/cam/ctl/scsi_ctl.c
==============================================================================
--- head/sys/cam/ctl/scsi_ctl.c	Fri Feb 24 11:07:49 2017	(r314199)
+++ head/sys/cam/ctl/scsi_ctl.c	Fri Feb 24 11:25:32 2017	(r314200)
@@ -995,11 +995,13 @@ static void
 ctlfe_requeue_ccb(struct cam_periph *periph, union ccb *ccb, int unlock)
 {
 	struct ctlfe_lun_softc *softc;
+	struct mtx *mtx;
 
 	if (periph->flags & CAM_PERIPH_INVALID) {
+		mtx = cam_periph_mtx(periph);
 		ctlfe_free_ccb(periph, ccb);
 		if (unlock)
-			cam_periph_unlock(periph);
+			mtx_unlock(mtx);
 		return;
 	}
 	if (unlock)