From 97eaed7b0af4783fefa357d9a85406a309cc09dc Mon Sep 17 00:00:00 2001
From: Bradley Scott <Bradley.Scott@zebra.com>
Date: Tue, 25 Oct 2016 10:59:19 -0400
Subject: [PATCH] STM32F3: Eliminate two unused variable warnings

---
 targets/TARGET_STM/TARGET_STM32F3/serial_api.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/targets/TARGET_STM/TARGET_STM32F3/serial_api.c b/targets/TARGET_STM/TARGET_STM32F3/serial_api.c
index 802f3b9acc..5698b91fe3 100644
--- a/targets/TARGET_STM/TARGET_STM32F3/serial_api.c
+++ b/targets/TARGET_STM/TARGET_STM32F3/serial_api.c
@@ -292,6 +292,7 @@ static void uart_irq(int id)
             if (__HAL_UART_GET_IT_SOURCE(huart, UART_IT_RXNE) != RESET) {
             irq_handler(serial_irq_ids[id], RxIrq);
                 volatile uint32_t tmpval = huart->Instance->RDR; // Clear RXNE flag
+                UNUSED(tmpval);
             }
         }
         if (__HAL_UART_GET_FLAG(huart, UART_FLAG_ORE) != RESET) {
@@ -875,6 +876,7 @@ void serial_rx_abort_asynch(serial_t *obj)
     // clear flags
     __HAL_UART_CLEAR_FLAG(huart, UART_CLEAR_PEF | UART_CLEAR_FEF | UART_CLEAR_OREF);
     volatile uint32_t tmpval = huart->Instance->RDR; // Clear RXNE flag
+    UNUSED(tmpval);
     
     // reset states
     huart->RxXferCount = 0;