--- /usr/src/sbin/mount/mount.c	2009-04-15 11:14:26.000000000 +0800
+++ mount.c	2009-05-20 15:08:58.000000000 +0800
@@ -140,8 +140,10 @@
 	 */
 	unsigned int i;
 	const char *fs[] = {
-	"cd9660", "mfs", "msdosfs", "nfs", "nfs4", "ntfs",
-	"nwfs", "nullfs", "portalfs", "smbfs", "udf", "unionfs",
+	"ufs",
+	"ext2fs",
+	"devfs", "fdescfs", "procfs", "linprocfs", "linsysfs",
+	"std",
 	NULL
 	};
 
@@ -150,10 +152,10 @@
 
 	for (i = 0; fs[i] != NULL; ++i) {
 		if (strcmp(vfstype, fs[i]) == 0)
-			return (1);
+			return (0);
 	}
 
-	return (0);
+	return (1);
 }
 
 static int