From 327e3ec4bd1908e57e2ecd90738f01fc04a17ba1 Mon Sep 17 00:00:00 2001
From: HiFiPhile <admin@hifiphile.com>
Date: Sun, 28 Apr 2024 21:59:54 +0200
Subject: [PATCH] Stall unsupported class request.

---
 src/class/net/ncm_device.c | 18 +++++++++++++-----
 1 file changed, 13 insertions(+), 5 deletions(-)

diff --git a/src/class/net/ncm_device.c b/src/class/net/ncm_device.c
index 14ace9d8e..829161865 100644
--- a/src/class/net/ncm_device.c
+++ b/src/class/net/ncm_device.c
@@ -947,7 +947,7 @@ bool netd_control_xfer_cb(uint8_t rhport, uint8_t stage, tusb_control_request_t
     }
 
     switch (request->bmRequestType_bit.type) {
-        case TUSB_REQ_TYPE_STANDARD:
+        case TUSB_REQ_TYPE_STANDARD: {
             switch (request->bRequest) {
                 case TUSB_REQ_GET_INTERFACE: {
                     TU_VERIFY(ncm_interface.itf_num + 1 == request->wIndex, false);
@@ -975,14 +975,15 @@ bool netd_control_xfer_cb(uint8_t rhport, uint8_t stage, tusb_control_request_t
                 default:
                     return false;
             }
-            break;
+        }
+        break;
 
-        case TUSB_REQ_TYPE_CLASS:
+        case TUSB_REQ_TYPE_CLASS: {
             TU_VERIFY(ncm_interface.itf_num == request->wIndex, false);
-
+            switch (request->bRequest) {
             TU_LOG3("  TUSB_REQ_TYPE_CLASS: %d\n", request->bRequest);
 
-            if (request->bRequest == NCM_GET_NTB_PARAMETERS) {
+            case NCM_GET_NTB_PARAMETERS: {
                 // transfer NTB parameters to host.
                 // TODO can one assume, that tud_control_xfer() succeeds?
                 TU_LOG3("    NCM_GET_NTB_PARAMETERS\n");
@@ -990,6 +991,13 @@ bool netd_control_xfer_cb(uint8_t rhport, uint8_t stage, tusb_control_request_t
             }
             break;
 
+                // unsupported request
+            default:
+                return false ;
+
+            }
+        }
+        break;
             // unsupported request
         default:
             return false ;