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From: Steven Hartland <smh@FreeBSD.org>
Date: Fri, 21 Jun 2013 15:30:47 +0000 (UTC)
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Subject: svn commit: r252059 - head/cddl/contrib/opensolaris/cmd/zpool
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Author: smh
Date: Fri Jun 21 15:30:46 2013
New Revision: 252059
URL: http://svnweb.freebsd.org/changeset/base/252059

Log:
  Fixed ZFS zpool freeze (debug command) not processing due to invalid ioctl call syntax.
  
  MFC after:	1 week

Modified:
  head/cddl/contrib/opensolaris/cmd/zpool/zpool_main.c

Modified: head/cddl/contrib/opensolaris/cmd/zpool/zpool_main.c
==============================================================================
--- head/cddl/contrib/opensolaris/cmd/zpool/zpool_main.c	Fri Jun 21 15:30:18 2013	(r252058)
+++ head/cddl/contrib/opensolaris/cmd/zpool/zpool_main.c	Fri Jun 21 15:30:46 2013	(r252059)
@@ -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);