From 0a7ccb8095671428c2a7401abb4c471508eda03b Mon Sep 17 00:00:00 2001
From: morris <maoshengrong@espressif.com>
Date: Thu, 5 Mar 2020 20:20:59 +0800
Subject: [PATCH] ethernet: fix potential null pointer dereference

Closes https://github.com/espressif/esp-idf/issues/4890
---
 components/esp_eth/src/esp_eth.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/components/esp_eth/src/esp_eth.c b/components/esp_eth/src/esp_eth.c
index 64025c4bd..17ab9a7e6 100644
--- a/components/esp_eth/src/esp_eth.c
+++ b/components/esp_eth/src/esp_eth.c
@@ -288,8 +288,8 @@ esp_err_t esp_eth_update_input_path(
 {
     esp_err_t ret = ESP_OK;
     esp_eth_driver_t *eth_driver = (esp_eth_driver_t *)hdl;
-    eth_driver->priv = priv;
     ETH_CHECK(eth_driver, "ethernet driver handle can't be null", err, ESP_ERR_INVALID_ARG);
+    eth_driver->priv = priv;
     eth_driver->stack_input = stack_input;
     return ESP_OK;
 err: