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Fixed nullptr dereference in MDNS.c

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* Original commit: espressif/esp-idf@fffbf7b750
This commit is contained in:
David Cermak
2018-05-22 11:10:27 +02:00
committed by suren-gabrielyan-espressif
parent 9f1be3668e
commit ad29d34bb6
1 changed files with 1 additions and 1 deletions
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components/mdns/mdns.c
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@ -2269,7 +2269,7 @@ static bool _mdns_question_matches(mdns_parsed_question_t * question, uint16_t t
}
} else if (type == MDNS_TYPE_SRV || type == MDNS_TYPE_TXT) {
const char * name = _mdns_get_service_instance_name(service->service);
if (name && !strcasecmp(name, question->host)
if (name && question->host && !strcasecmp(name, question->host)
&& !strcasecmp(service->service->service, question->service)
&& !strcasecmp(service->service->proto, question->proto)
&& !strcasecmp(MDNS_DEFAULT_DOMAIN, question->domain)) {