fix rp2 iso transfer: reset state before notify stack. since new audio driver can execute xfer_is()

1 files changed, 2 insertions, 1 deletions

diff --git a/src/portable/raspberrypi/rp2040/dcd_rp2040.c b/src/portable/raspberrypi/rp2040/dcd_rp2040.c
index 358ce84bc..a89c2f42b 100644
--- a/src/portable/raspberrypi/rp2040/dcd_rp2040.c
+++ b/src/portable/raspberrypi/rp2040/dcd_rp2040.c
@@ -190,8 +190,9 @@ static void __tusb_irq_path_func(hw_handle_buff_status)(void) {
       bool done = hw_endpoint_xfer_continue(ep);
       if (done) {
         // Notify
-        dcd_event_xfer_complete(0, ep->ep_addr, ep->xferred_len, XFER_RESULT_SUCCESS, true);
+        const uint16_t xferred_len = ep->xferred_len;
         hw_endpoint_reset_transfer(ep);
+        dcd_event_xfer_complete(0, ep->ep_addr, xferred_len, XFER_RESULT_SUCCESS, true);
       }
       remaining_buffers &= ~bit;
     }