From 042ebc04b325f95d593d337317709adc74e7b435 Mon Sep 17 00:00:00 2001
From: HiFiPhile <admin@hifiphile.com>
Date: Fri, 16 Jan 2026 16:17:05 +0100
Subject: [PATCH] fix stream write racing

Signed-off-by: HiFiPhile <admin@hifiphile.com>
---
 src/tusb.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/tusb.c b/src/tusb.c
index bf82cdbe9..6075e9db4 100644
--- a/src/tusb.c
+++ b/src/tusb.c
@@ -392,7 +392,7 @@ uint32_t tu_edpt_stream_write_xfer(tu_edpt_stream_t *s) {
   // Pull data from FIFO -> EP buf
   uint16_t count;
   if (s->ep_buf == NULL) {
-    count = ff_count;
+    count = tu_fifo_count(&s->ff); // re-get count since fifo can be changed
   } else {
     count = tu_fifo_read_n(&s->ff, s->ep_buf, s->ep_bufsize);
   }