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Fixed nullptr dereference in MDNS.c

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This commit is contained in:
David Cermak 2018-05-22 11:10:27 +02:00
parent e983230be9
commit fffbf7b750
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) { } else if (type == MDNS_TYPE_SRV || type == MDNS_TYPE_TXT) {
const char * name = _mdns_get_service_instance_name(service->service); 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->service, question->service)
&& !strcasecmp(service->service->proto, question->proto) && !strcasecmp(service->service->proto, question->proto)
&& !strcasecmp(MDNS_DEFAULT_DOMAIN, question->domain)) { && !strcasecmp(MDNS_DEFAULT_DOMAIN, question->domain)) {