From 8f8516cc3f81c0bc1e258794b1c07868f3aece6c Mon Sep 17 00:00:00 2001
From: David Cermak <cermak@espressif.com>
Date: Fri, 10 Jan 2025 11:31:45 +0100
Subject: [PATCH] fix(mdns): Fixed incorrect error conversion

Mixing esp_err_t (int) with err_t (uint8_t) from lwip.

Closes coverity isssue: 470139 Overflowed return value
---
 components/mdns/mdns_networking_lwip.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/components/mdns/mdns_networking_lwip.c b/components/mdns/mdns_networking_lwip.c
index 635f7e352..16604cdf1 100644
--- a/components/mdns/mdns_networking_lwip.c
+++ b/components/mdns/mdns_networking_lwip.c
@@ -288,7 +288,7 @@ typedef struct {
 static err_t _mdns_pcb_init_api(struct tcpip_api_call_data *api_call_msg)
 {
     mdns_api_call_t *msg = (mdns_api_call_t *)api_call_msg;
-    msg->err = _udp_pcb_init(msg->tcpip_if, msg->ip_protocol);
+    msg->err = _udp_pcb_init(msg->tcpip_if, msg->ip_protocol) == ESP_OK ? ERR_OK : ERR_IF;
     return msg->err;
 }