From b6590490a8e2ad3debac4508f65af001dc1753af Mon Sep 17 00:00:00 2001
From: Nathan Conrad <pigrew@gmail.com>
Date: Sat, 21 Sep 2019 12:00:36 -0400
Subject: [PATCH] USB Control: Pointer arithmetic on void* is forbiden

---
 src/device/usbd_control.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/device/usbd_control.c b/src/device/usbd_control.c
index 4ec432185..eecc95edb 100644
--- a/src/device/usbd_control.c
+++ b/src/device/usbd_control.c
@@ -122,7 +122,7 @@ bool usbd_control_xfer_cb (uint8_t rhport, uint8_t ep_addr, xfer_result_t result
   }
 
   _control_state.total_transferred += xferred_bytes;
-  _control_state.buffer += xferred_bytes;
+  _control_state.buffer = ((uint8_t*)_control_state.buffer) + xferred_bytes;
 
   if ( _control_state.total_len == _control_state.total_transferred || xferred_bytes < CFG_TUD_ENDOINT0_SIZE )
   {