From 08b5f9540c66c3519e52616cd2bb0cae89520164 Mon Sep 17 00:00:00 2001
From: smh <smh@FreeBSD.org>
Date: Fri, 21 Jun 2013 15:30:46 +0000
Subject: [PATCH] Fixed ZFS zpool freeze (debug command) not processing due to
 invalid ioctl call syntax.

MFC after:	1 week
---
 cddl/contrib/opensolaris/cmd/zpool/zpool_main.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/cddl/contrib/opensolaris/cmd/zpool/zpool_main.c b/cddl/contrib/opensolaris/cmd/zpool/zpool_main.c
index b35575b210fd..5b24a2f5feb3 100644
--- a/cddl/contrib/opensolaris/cmd/zpool/zpool_main.c
+++ b/cddl/contrib/opensolaris/cmd/zpool/zpool_main.c
@@ -5344,10 +5344,9 @@ main(int argc, char **argv)
 		 * 'freeze' is a vile debugging abomination, so we treat
 		 * it as such.
 		 */
-		char buf[16384];
-		int fd = open(ZFS_DEV, O_RDWR);
-		(void) strcpy((void *)buf, argv[2]);
-		return (!!ioctl(fd, ZFS_IOC_POOL_FREEZE, buf));
+		zfs_cmd_t zc = { 0 };
+		(void) strlcpy(zc.zc_name, argv[2], sizeof (zc.zc_name));
+		return (!!zfs_ioctl(g_zfs, ZFS_IOC_POOL_FREEZE, &zc));
 	} else {
 		(void) fprintf(stderr, gettext("unrecognized "
 		    "command '%s'\n"), cmdname);