From 2d345b04c32d1cdede9b7787462bc7ae05b781d1 Mon Sep 17 00:00:00 2001
From: Sander Speetjens <sander.speetjens@gmail.com>
Date: Thu, 30 Nov 2023 22:03:30 +0100
Subject: [PATCH] tcp_cmd

add error checking to init function
---
 project/Core/Src/tcp_cmd.c | 19 ++++++++++++++++++-
 1 file changed, 18 insertions(+), 1 deletion(-)

diff --git a/project/Core/Src/tcp_cmd.c b/project/Core/Src/tcp_cmd.c
index 684bc9b..5982430 100644
--- a/project/Core/Src/tcp_cmd.c
+++ b/project/Core/Src/tcp_cmd.c
@@ -356,8 +356,25 @@ static void tcp_cmd_close(struct tcp_pcb* pcb) {
 void tcp_cmd_init(void) {
     struct tcp_pcb* tcp_pcb;
     tcp_pcb = tcp_new();
-    tcp_bind(tcp_pcb, IP_ADDR_ANY, 23);
+
+    if (tcp_pcb == NULL) {
+        LOG_CRIT(TAG, "Failed to allocate pcb");
+        return;
+    }
+
+    if (tcp_bind(tcp_pcb, IP_ADDR_ANY, 23) != ERR_OK) {
+        LOG_CRIT(TAG, "Failed to bind pcb");
+        free(tcp_pcb);
+        return;
+    }
+
 
     tcp_pcb = tcp_listen(tcp_pcb);
+    if (tcp_pcb == NULL) {
+        LOG_CRIT(TAG, "Failed to listen");
+        free(tcp_pcb);
+        return;
+    }
+
     tcp_accept(tcp_pcb, tcp_cmd_accept);
 }