From aa183a50fc4bd7ca0c50f97477fe15bcd7020528 Mon Sep 17 00:00:00 2001
From: HiFiPhile <admin@hifiphile.com>
Date: Mon, 22 Dec 2025 21:11:32 +0100
Subject: [PATCH] limit fifo read size to ep_bufsize regardless ep_buf is used
 or not

Signed-off-by: HiFiPhile <admin@hifiphile.com>
---
 src/tusb.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/src/tusb.c b/src/tusb.c
index 8117c3e3e..9c5237d9f 100644
--- a/src/tusb.c
+++ b/src/tusb.c
@@ -485,9 +485,7 @@ uint32_t tu_edpt_stream_read_xfer(tu_edpt_stream_t *s) {
     if (available >= s->mps) {
       // multiple of packet size limit by ep bufsize
       uint16_t count = (uint16_t) (available & ~(s->mps - 1));
-      if (s->ep_buf != NULL) {
-        count = tu_min16(count, s->ep_bufsize);
-      }
+      count = tu_min16(count, s->ep_bufsize);
       TU_ASSERT(stream_xfer(s, count), 0);
       return count;
     } else {