From 03c6bfed39a4dbdb0b342172b5ece6d9435c4b5b Mon Sep 17 00:00:00 2001
From: sakumisu <1203593632@qq.com>
Date: Fri, 3 Apr 2026 18:44:21 +0800
Subject: fix(class/dfu): fix missing *len

Signed-off-by: sakumisu <1203593632@qq.com>
---
 class/dfu/usbd_dfu.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/class/dfu/usbd_dfu.c b/class/dfu/usbd_dfu.c
index a49827d1..6d21d0d2 100644
--- a/class/dfu/usbd_dfu.c
+++ b/class/dfu/usbd_dfu.c
@@ -103,6 +103,7 @@ static int dfu_class_interface_request_handler(uint8_t busid, struct usb_setup_p
                     } else {
                         g_usbd_dfu.dfu_state = DFU_STATE_DFU_UPLOAD_IDLE;
                     }
+                    *len = actual_length;
                     break;
                 case DFU_REQUEST_ABORT:
                     g_usbd_dfu.dfu_state = DFU_STATE_DFU_IDLE;
-- 
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