Fix cppcheck warnings

rigs/anytone/anytone.c

@@ -242,13 +242,16 @@ int anytone_init(RIG *rig)
         if (p == NULL)
         {
             retval = -RIG_ENOMEM;
+            
         }
-
-        rig->state.priv = p;
-        p->vfo_curr = RIG_VFO_NONE;
+        else
+        {
+            rig->state.priv = p;
+            p->vfo_curr = RIG_VFO_NONE;
 #ifdef HAVE_PTHREAD
-        pthread_mutex_init(&p->mutex, NULL);
+            pthread_mutex_init(&p->mutex, NULL);
 #endif
+        }
     }
 
     RETURNFUNC(retval);