From ebcd7067c9b86b8df8a3f9cf07ba76edd9e7440c Mon Sep 17 00:00:00 2001
From: GuavTek <GuavTek@outlook.com>
Date: Fri, 18 Oct 2024 18:05:58 +0200
Subject: Recover host enumeration from zero length descriptors

---
 src/tusb.c | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'src/tusb.c')

diff --git a/src/tusb.c b/src/tusb.c
index e6f8055b7..799ffdce9 100644
--- a/src/tusb.c
+++ b/src/tusb.c
@@ -255,6 +255,10 @@ uint16_t tu_desc_get_interface_total_len(tusb_desc_interface_t const* desc_itf,
           ((tusb_desc_interface_t const*) p_desc)->bAlternateSetting == 0) {
         break;
       }
+      if (tu_desc_len(p_desc) == 0) {
+        // Escape infinite loop
+        break;
+      }
 
       len += tu_desc_len(p_desc);
       p_desc = tu_desc_next(p_desc);
-- 
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