From 2f5d4dbab3a4b051eda35c7026d2568c7355decd Mon Sep 17 00:00:00 2001
From: hathach <thach@tinyusb.org>
Date: Fri, 12 Dec 2025 00:51:57 +0700
Subject: fix edpt stream write/read to endpoint not yet opened

---
 src/tusb.c | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'src/tusb.c')

diff --git a/src/tusb.c b/src/tusb.c
index f6ca3fabc..8ba9f0fff 100644
--- a/src/tusb.c
+++ b/src/tusb.c
@@ -332,6 +332,7 @@ bool tu_edpt_stream_init(tu_edpt_stream_t *s, bool is_host, bool is_tx, bool ove
 }
 
 static bool stream_claim(tu_edpt_stream_t *s) {
+  TU_VERIFY(s->ep_addr != 0); // must be opened
   if (s->is_host) {
     #if CFG_TUH_ENABLED
     return usbh_edpt_claim(s->hwid, s->ep_addr);
@@ -446,6 +447,7 @@ uint32_t tu_edpt_stream_write_available(tu_edpt_stream_t *s) {
   #if CFG_TUSB_EDPT_STREAM_NO_FIFO_ENABLED
   if (0 == tu_fifo_depth(&s->ff)) {
     // non-fifo mode
+    TU_VERIFY(s->ep_addr > 0); // must be opened
     bool is_busy = true;
     if (s->is_host) {
       #if CFG_TUH_ENABLED
-- 
cgit v1.3.1