From 051c380f3beda877d67ccf261f294d8fc1fc992f Mon Sep 17 00:00:00 2001
From: sakimisu <1203593632@qq.com>
Date: Wed, 7 Dec 2022 21:38:20 +0800
Subject: [PATCH] reset hport bNumInterfaces when enum fails

---
 core/usbh_core.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/core/usbh_core.c b/core/usbh_core.c
index 6869bfbb..f9bfb3f1 100644
--- a/core/usbh_core.c
+++ b/core/usbh_core.c
@@ -625,6 +625,7 @@ int usbh_enumerate(struct usbh_hubport *hport)
 
 errout:
     if (ret < 0) {
+        hport->config.config_desc.bNumInterfaces = 0;
         usbh_hport_deactivate_ep0(hport);
     }
     if (hport->raw_config_desc) {