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From: Alexander Kabaev <kan@FreeBSD.org>
Date: Sat, 23 Dec 2017 17:55:19 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
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Subject: svn commit: r327114 - head/sys/kern
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Author: kan
Date: Sat Dec 23 17:55:19 2017
New Revision: 327114
URL: https://svnweb.freebsd.org/changeset/base/327114

Log:
  Reverse the check to allocate the buffer if cached pointer is NULL.
  
  Reviewed by: kib
  Differential Revision: https://reviews.freebsd.org/D13596

Modified:
  head/sys/kern/vfs_export.c

Modified: head/sys/kern/vfs_export.c
==============================================================================
--- head/sys/kern/vfs_export.c	Sat Dec 23 16:49:57 2017	(r327113)
+++ head/sys/kern/vfs_export.c	Sat Dec 23 17:55:19 2017	(r327114)
@@ -412,7 +412,7 @@ vfs_setpublicfs(struct mount *mp, struct netexport *ne
 	 * If an indexfile was specified, pull it in.
 	 */
 	if (argp->ex_indexfile != NULL) {
-		if (nfs_pub.np_index != NULL)
+		if (nfs_pub.np_index == NULL)
 			nfs_pub.np_index = malloc(MAXNAMLEN + 1, M_TEMP,
 			    M_WAITOK);
 		error = copyinstr(argp->ex_indexfile, nfs_pub.np_index,