From d2d0dae2d0d5a33255d2fe0cca1c19c58425dd5a Mon Sep 17 00:00:00 2001
From: Rses <243200176@qq.com>
Date: Wed, 10 Jun 2026 11:05:33 +0800
Subject: [PATCH] =?UTF-8?q?=E5=8F=AA=E6=8E=A5=E6=94=B6=E6=97=B6=E5=8F=91?=
 =?UTF-8?q?=E9=80=81=E7=BC=93=E5=86=B2=E5=8C=BA=E5=BA=94=E8=AE=BE=E7=BD=AE?=
 =?UTF-8?q?=E4=B8=BART=5FNULL?=
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---
 bsp/at32/libraries/rt_drivers/drv_spi.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/bsp/at32/libraries/rt_drivers/drv_spi.c b/bsp/at32/libraries/rt_drivers/drv_spi.c
index e4a3f11be2..101af1d2f5 100644
--- a/bsp/at32/libraries/rt_drivers/drv_spi.c
+++ b/bsp/at32/libraries/rt_drivers/drv_spi.c
@@ -473,7 +473,7 @@ static rt_ssize_t xfer(struct rt_spi_device* device, struct rt_spi_message* mess
             {
                 /* clear the old error flag */
                 spi_i2s_flag_clear(instance->config->spi_x, SPI_I2S_ROERR_FLAG);
-                _spi_polling_receive_transmit(instance, (uint8_t *)recv_buf, (uint8_t *)recv_buf, send_length, config->data_width);
+                _spi_polling_receive_transmit(instance, (uint8_t *)recv_buf, RT_NULL, send_length, config->data_width);
             }
         }
     }
-- 
Gitee