From 35c5052da432255f3756d5bdc46c67597545908a Mon Sep 17 00:00:00 2001
From: jiangheng <jiangheng12@huawei.com>
Date: Thu, 17 Mar 2022 16:10:51 +0800
Subject: [PATCH] add check for stack params

---
 src/lstack/core/lstack_thread_rpc.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/lstack/core/lstack_thread_rpc.c b/src/lstack/core/lstack_thread_rpc.c
index c95f2c0..2a67333 100644
--- a/src/lstack/core/lstack_thread_rpc.c
+++ b/src/lstack/core/lstack_thread_rpc.c
@@ -29,6 +29,10 @@ struct rpc_msg *rpc_msg_alloc(struct protocol_stack *stack, rpc_msg_func func)
     int32_t ret;
     struct rpc_msg *msg = NULL;
 
+    if (stack == NULL) {
+        return NULL;
+    }
+
     ret = rte_mempool_get(stack->rpc_pool, (void **)&msg);
     if (ret < 0) {
         get_protocol_stack_group()->call_alloc_fail++;
-- 
1.8.3.1