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mdns: fixed mdns crashing on reception of txt packet without a corresponding service

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closes #2866


* Original commit: espressif/esp-idf@af48977f21
This commit is contained in:
David Cermak
2019-05-03 16:37:43 +02:00
committed by suren-gabrielyan-espressif
parent 84cbb1f3cf
commit 98d2c1a073
1 changed files with 1 additions and 1 deletions
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components/mdns/mdns.c
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@ -2886,7 +2886,7 @@ void mdns_parse_packet(mdns_rx_packet_t * packet)
col = 1;
} else if (!clas) {
col = -1;
} else {
} else if (service) { // only detect txt collision if service existed
col = _mdns_check_txt_collision(service->service, data_ptr, data_len);
}
if (col && !_mdns_server->interfaces[packet->tcpip_if].pcbs[packet->ip_protocol].probe_running) {