svn commit: r213588 - stable/8/sys/cam/scsi

[Matthew D Fleming]

Author: mdf
Date: Fri Oct  8 18:06:15 2010
New Revision: 213588
URL: http://svn.freebsd.org/changeset/base/213588

Log:
  MFC r212926:
  
  Use destroy_dev_sched(9) instead of destroy_dev(9) in passcleanup() as
  it is indirectly a d_close method.

Modified:
  stable/8/sys/cam/scsi/scsi_pass.c
Directory Properties:
  stable/8/sys/   (props changed)
  stable/8/sys/amd64/include/xen/   (props changed)
  stable/8/sys/cddl/contrib/opensolaris/   (props changed)
  stable/8/sys/contrib/dev/acpica/   (props changed)
  stable/8/sys/contrib/pf/   (props changed)
  stable/8/sys/dev/xen/xenpci/   (props changed)

Modified: stable/8/sys/cam/scsi/scsi_pass.c
==============================================================================
--- stable/8/sys/cam/scsi/scsi_pass.c	Fri Oct  8 17:58:07 2010	(r213587)
+++ stable/8/sys/cam/scsi/scsi_pass.c	Fri Oct  8 18:06:15 2010	(r213588)
@@ -169,7 +169,11 @@ passcleanup(struct cam_periph *periph)
 		xpt_print(periph->path, "removing device entry\n");
 	devstat_remove_entry(softc->device_stats);
 	cam_periph_unlock(periph);
-	destroy_dev(softc->dev);
+	/*
+	 * passcleanup() is indirectly a d_close method via passclose,
+	 * so using destroy_dev(9) directly can result in deadlock.
+	 */
+	destroy_dev_sched(softc->dev);
 	cam_periph_lock(periph);
 	free(softc, M_DEVBUF);
 }