From d11260ef67934819f33ceaea0a0caae818b9872c Mon Sep 17 00:00:00 2001
From: helloeagleyang <helloeagleyang@163.com>
Date: Sat, 16 Sep 2023 12:06:56 +0800
Subject: [PATCH] [common] Avoid IAR compiling error on USB HOST stack

- Avoided using a structure with zero-length array as a field in another
  structure when IAR toolchain is used.

Signed-off-by: helloeagleyang <helloeagleyang@163.com>
---
 common/usb_hc.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/common/usb_hc.h b/common/usb_hc.h
index dfe20703..95215841 100644
--- a/common/usb_hc.h
+++ b/common/usb_hc.h
@@ -59,7 +59,11 @@ struct usbh_urb {
     uint32_t start_frame;
     usbh_complete_callback_t complete;
     void *arg;
+#if defined(__ICCARM__) || defined(__ICCRISCV__) || defined(__ICCRX__)
+    struct usbh_iso_frame_packet *iso_packet;
+#else
     struct usbh_iso_frame_packet iso_packet[0];
+#endif
 };
 
 /**