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From: Kirk McKusick <mckusick@FreeBSD.org>
Date: Tue, 6 Feb 2018 19:17:41 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
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Subject: svn commit: r328948 - stable/10/sys/geom/journal
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Author: mckusick
Date: Tue Feb  6 19:17:40 2018
New Revision: 328948
URL: https://svnweb.freebsd.org/changeset/base/328948

Log:
  MFC of 328647.
  
  avoid segment fault in g_journal

Modified:
  stable/10/sys/geom/journal/g_journal.c
Directory Properties:
  stable/10/   (props changed)

Modified: stable/10/sys/geom/journal/g_journal.c
==============================================================================
--- stable/10/sys/geom/journal/g_journal.c	Tue Feb  6 19:17:05 2018	(r328947)
+++ stable/10/sys/geom/journal/g_journal.c	Tue Feb  6 19:17:40 2018	(r328948)
@@ -2433,6 +2433,7 @@ g_journal_destroy(struct g_journal_softc *sc)
 		    sc->sc_current_count);
 	}
 
+	gp->softc = NULL;
 	LIST_FOREACH(cp, &gp->consumer, consumer) {
 		if (cp->acr + cp->acw + cp->ace > 0)
 			g_access(cp, -1, -1, -1);
@@ -2444,7 +2445,6 @@ g_journal_destroy(struct g_journal_softc *sc)
 		 */
 		g_post_event(g_journal_destroy_consumer, cp, M_WAITOK, NULL);
 	}
-	gp->softc = NULL;
 	g_wither_geom(gp, ENXIO);
 	free(sc, M_JOURNAL);
 	return (0);