drivers: Destroy mutex and sem in the error path

also correct the order to ensure the memory free is last step

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>

wireless/ieee802154/mac802154_device.c

@@ -863,11 +863,7 @@ int mac802154dev_register(MACHANDLE mac, int minor)
   if (ret < 0)
     {
       nerr("ERROR: Failed to bind the MAC callbacks: %d\n", ret);
-
-      /* Free memory and return the error */
-
-      kmm_free(dev);
-      return ret;
+      goto errout_with_priv;
     }
 
   /* Create the character device name */

wireless/ieee802154/mac802154_netdev.c

@@ -1338,6 +1338,7 @@ int mac802154netdev_register(MACHANDLE mac)
   return macnet_ifdown(&priv->md_dev.r_dev);
 
 errout:
+  nxmutex_destroy(&priv->md_lock);
 
   /* Free memory and return the error */