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From: Jamie Gritton <jamie@FreeBSD.org>
Date: Fri, 10 Sep 2010 21:45:42 +0000 (UTC)
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Subject: svn commit: r212436 - head/sys/kern
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Author: jamie
Date: Fri Sep 10 21:45:42 2010
New Revision: 212436
URL: http://svn.freebsd.org/changeset/base/212436

Log:
  Don't exit kern_jail_set without freeing options when enforce_statfs
  has an illegal value.
  
  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 Sep 10 20:42:41 2010	(r212435)
+++ head/sys/kern/kern_jail.c	Fri Sep 10 21:45:42 2010	(r212436)
@@ -584,12 +584,15 @@ kern_jail_set(struct thread *td, struct 
 		gotchildmax = 1;
 
 	error = vfs_copyopt(opts, "enforce_statfs", &enforce, sizeof(enforce));
-	gotenforce = (error == 0);
-	if (gotenforce) {
-		if (enforce < 0 || enforce > 2)
-			return (EINVAL);
-	} else if (error != ENOENT)
+	if (error == ENOENT)
+		gotenforce = 0;
+	else if (error != 0)
 		goto done_free;
+	else if (enforce < 0 || enforce > 2) {
+		error = EINVAL;
+		goto done_free;
+	} else
+		gotenforce = 1;
 
 	pr_flags = ch_flags = 0;
 	for (fi = 0; fi < sizeof(pr_flag_names) / sizeof(pr_flag_names[0]);