From 547af91e8b188f5df66b67433657ce410b034cfe Mon Sep 17 00:00:00 2001
From: Matt Borgerson <contact@mborgerson.com>
Date: Wed, 18 Feb 2026 23:23:38 -0700
Subject: [PATCH] xblc: Don't call usb_packet_copy with 0 bytes

---
 hw/xbox/xblc.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/hw/xbox/xblc.c b/hw/xbox/xblc.c
index e349a86bb2..715d09dee5 100644
--- a/hw/xbox/xblc.c
+++ b/hw/xbox/xblc.c
@@ -266,9 +266,10 @@ static void xblc_handle_data(USBDevice *dev, USBPacket *p)
                 DPRINTF("Error getting data from the input stream: %s",
                         SDL_GetError());
                 break;
+            } else if (chunk_len > 0) {
+                usb_packet_copy(p, (void *)packet, chunk_len);
+                remaining -= chunk_len;
             }
-            usb_packet_copy(p, (void *)packet, chunk_len);
-            remaining -= chunk_len;
         }
 
         break;