From 79803ddc3c73ee3a73cdd6e478d7e52c39fd3803 Mon Sep 17 00:00:00 2001
From: "roger.luo" <morro_luo@163.com>
Date: Fri, 24 Nov 2023 21:43:37 +0800
Subject: [PATCH] Fixed the issue where the pointer was not checked to be empty
 after the creation of urcbuf.

---
 src/at_chat.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/at_chat.c b/src/at_chat.c
index 95f3bdb..dc4ff0c 100644
--- a/src/at_chat.c
+++ b/src/at_chat.c
@@ -851,7 +851,7 @@ at_obj_t *at_obj_create(const at_adapter_t *adap)
     if (adap->urc_bufsize != 0) {
         ai->urc_bufsize  = adap->urc_bufsize < 32 ? 32 : adap->urc_bufsize;
         ai->urcbuf       = at_core_malloc(ai->urc_bufsize);
-        if (ai->recvbuf == NULL) {
+        if (ai->urcbuf == NULL) {
             at_obj_destroy(&ai->obj);
             return NULL;
         }