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Date:      Mon, 10 Jun 2019 14:47:56 +0000 (UTC)
From:      Kyle Evans <kevans@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-11@freebsd.org
Subject:   svn commit: r348863 - stable/11/sbin/bectl
Message-ID:  <201906101447.x5AElub3066260@repo.freebsd.org>

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Author: kevans
Date: Mon Jun 10 14:47:56 2019
New Revision: 348863
URL: https://svnweb.freebsd.org/changeset/base/348863

Log:
  MFC r348510: bectl(8): Don't accept jid=0 from jail_getid
  
  This will trivially exist, but we don't want it - none of our jailed BEs
  will have jid=0.
  
  Approved by:	re (gjb)

Modified:
  stable/11/sbin/bectl/bectl_jail.c
Directory Properties:
  stable/11/   (props changed)

Modified: stable/11/sbin/bectl/bectl_jail.c
==============================================================================
--- stable/11/sbin/bectl/bectl_jail.c	Mon Jun 10 14:35:04 2019	(r348862)
+++ stable/11/sbin/bectl/bectl_jail.c	Mon Jun 10 14:47:56 2019	(r348863)
@@ -410,7 +410,12 @@ bectl_locate_jail(const char *ident)
 
 	/* Try the easy-match first */
 	jid = jail_getid(ident);
-	if (jid != -1)
+	/*
+	 * jail_getid(0) will always return 0, because this prison does exist.
+	 * bectl(8) knows that this is not what it wants, so we should fall
+	 * back to mount point search.
+	 */
+	if (jid > 0)
 		return (jid);
 
 	/* Attempt to try it as a BE name, first */



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