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Code Issues Releases Wiki Activity

Fix lwIP thread safety assertion failures on ESP32 (#9570)

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This commit is contained in:
J. Nick Koston
2025-07-16 19:06:57 -10:00
committed by GitHub
parent a8263cb79f
commit b1048d6e25
10 changed files with 105 additions and 29 deletions
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12
esphome/components/mqtt/mqtt_client.cpp
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@@ -193,13 +193,17 @@ void MQTTClientComponent::start_dnslookup_() {
this->dns_resolve_error_ = false;
this->dns_resolved_ = false;
ip_addr_t addr;
err_t err;
{
LwIPLock lock;
#if USE_NETWORK_IPV6
err_t err = dns_gethostbyname_addrtype(this->credentials_.address.c_str(), &addr,
MQTTClientComponent::dns_found_callback, this, LWIP_DNS_ADDRTYPE_IPV6_IPV4);
err = dns_gethostbyname_addrtype(this->credentials_.address.c_str(), &addr, MQTTClientComponent::dns_found_callback,
this, LWIP_DNS_ADDRTYPE_IPV6_IPV4);
#else
err_t err = dns_gethostbyname_addrtype(this->credentials_.address.c_str(), &addr,
MQTTClientComponent::dns_found_callback, this, LWIP_DNS_ADDRTYPE_IPV4);
err = dns_gethostbyname_addrtype(this->credentials_.address.c_str(), &addr, MQTTClientComponent::dns_found_callback,
this, LWIP_DNS_ADDRTYPE_IPV4);
#endif /* USE_NETWORK_IPV6 */
}
switch (err) {
case ERR_OK: {
// Got IP immediately