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From: Jamie Gritton <jamie@FreeBSD.org>
Date: Fri, 6 Aug 2010 22:04:18 +0000 (UTC)
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Subject: svn commit: r210974 - head/sys/kern
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Author: jamie
Date: Fri Aug  6 22:04:18 2010
New Revision: 210974
URL: http://svn.freebsd.org/changeset/base/210974

Log:
  Implicitly make a new jail persistent if it's set not to attach.
  
  MFC after:	3 days

Modified:
  head/sys/kern/kern_jail.c

Modified: head/sys/kern/kern_jail.c
==============================================================================
--- head/sys/kern/kern_jail.c	Fri Aug  6 21:58:53 2010	(r210973)
+++ head/sys/kern/kern_jail.c	Fri Aug  6 22:04:18 2010	(r210974)
@@ -599,6 +599,8 @@ kern_jail_set(struct thread *td, struct 
 		vfs_flagopt(opts, pr_flag_names[fi], &pr_flags, 1 << fi);
 		vfs_flagopt(opts, pr_flag_nonames[fi], &ch_flags, 1 << fi);
 	}
+	if ((flags & (JAIL_CREATE | JAIL_UPDATE | JAIL_ATTACH)) == JAIL_CREATE)
+	    pr_flags |= PR_PERSIST;
 	ch_flags |= pr_flags;
 	for (fi = 0; fi < sizeof(pr_flag_jailsys) / sizeof(pr_flag_jailsys[0]);
 	    fi++) {
@@ -628,12 +630,6 @@ kern_jail_set(struct thread *td, struct 
 		ch_flags |=
 		    pr_flag_jailsys[fi].new | pr_flag_jailsys[fi].disable;
 	}
-	if ((flags & (JAIL_CREATE | JAIL_UPDATE | JAIL_ATTACH)) == JAIL_CREATE
-	    && !(pr_flags & PR_PERSIST)) {
-		error = EINVAL;
-		vfs_opterror(opts, "new jail must persist or attach");
-		goto done_errmsg;
-	}
 #ifdef VIMAGE
 	if ((flags & JAIL_UPDATE) && (ch_flags & PR_VNET)) {
 		error = EINVAL;