From 4b8f518c4825dad80e57a5d295f63cfcba15905e Mon Sep 17 00:00:00 2001
From: Meco Man <920369182@qq.com>
Date: Sun, 19 Mar 2023 20:40:47 -0400
Subject: [PATCH] [stm32][adc] add error code return

---
 bsp/stm32/libraries/HAL_Drivers/drv_adc.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/bsp/stm32/libraries/HAL_Drivers/drv_adc.c b/bsp/stm32/libraries/HAL_Drivers/drv_adc.c
index ea4842ad37..6de8445d88 100644
--- a/bsp/stm32/libraries/HAL_Drivers/drv_adc.c
+++ b/bsp/stm32/libraries/HAL_Drivers/drv_adc.c
@@ -329,8 +329,10 @@ static rt_int16_t stm32_adc_get_vref (struct rt_adc_device *device)
     ADC_HandleTypeDef *stm32_adc_handler = device->parent.user_data;
 
     ret = rt_adc_enable(device, ADC_CHANNEL_VREFINT - ADC_CHANNEL_0);
+    if (ret != RT_EOK) return (rt_int16_t)ret;
     vref_value = rt_adc_read(device, ADC_CHANNEL_VREFINT - ADC_CHANNEL_0);
     ret = rt_adc_disable(device, ADC_CHANNEL_VREFINT - ADC_CHANNEL_0);
+    if (ret != RT_EOK) return (rt_int16_t)ret;
 
     vref_mv = __LL_ADC_CALC_VREFANALOG_VOLTAGE(vref_value, stm32_adc_handler->Init.Resolution);
 #else
-- 
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