6638 ::pfiles walks out of bounds on array of vnode types

@@ -526,11 +526,11 @@
 
         return (0);
 }
 
 const struct fs_type {
-        int type;
+        vtype_t type;
         const char *name;
 } fs_types[] = {
         { VNON,   "NON" },
         { VREG,   "REG" },
         { VDIR,   "DIR" },

@@ -945,13 +945,15 @@
                 mdb_warn("failed to read vnode");
                 return (DCMD_ERR);
         }
 
         type = "?";
-        for (i = 0; i <= NUM_FS_TYPES; i++) {
-                if (fs_types[i].type == v.v_type)
+        for (i = 0; i < NUM_FS_TYPES; i++) {
+                if (fs_types[i].type == v.v_type) {
                         type = fs_types[i].name;
+                        break;
+                }
         }
 
         do {
                 uintptr_t next_realvpp;