Allow zfs jail and zfs unjail to use both jailnames and jailid

Reviewed by:	pjd
MFC after:	1 month

2 files changed, 5 insertions, 5 deletions

diff --git a/cddl/contrib/opensolaris/cmd/zfs/zfs.8 b/cddl/contrib/opensolaris/cmd/zfs/zfs.8
index f83d6b4..64a67e9 100644
--- a/cddl/contrib/opensolaris/cmd/zfs/zfs.8
+++ b/cddl/contrib/opensolaris/cmd/zfs/zfs.8
@@ -256,10 +256,10 @@
 .Op Ar snapshot Ns | Ns Ar filesystem
 .Nm
 .Cm jail
-.Ar jailid filesystem
+.Ar jailid Ns | Ns Ar jailname filesystem
 .Nm
 .Cm unjail
-.Ar jailid filesystem
+.Ar jailid Ns | Ns Ar jailname filesystem
 .Sh DESCRIPTION
 The
 .Nm
diff --git a/cddl/contrib/opensolaris/cmd/zfs/zfs_main.c b/cddl/contrib/opensolaris/cmd/zfs/zfs_main.c
index ff698a7..fd0f693 100644
--- a/cddl/contrib/opensolaris/cmd/zfs/zfs_main.c
+++ b/cddl/contrib/opensolaris/cmd/zfs/zfs_main.c
@@ -6300,9 +6300,9 @@ do_jail(int argc, char **argv, int attach)
 		usage(B_FALSE);
 	}
 
-	jailid = atoi(argv[1]);
-	if (jailid == 0) {
-		(void) fprintf(stderr, gettext("invalid jailid\n"));
+	jailid = jail_getid(argv[1]);
+	if (jailid < 0) {
+		(void) fprintf(stderr, gettext("invalid jail id or name\n"));
 		usage(B_FALSE);
 	}