Recover host enumeration from zero length descriptors

1 files changed, 4 insertions, 0 deletions

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);