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Fix mDNS memory leak

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* Original commit: espressif/esp-idf@119b4a9dd1
This commit is contained in:
caffreyfans
2021-12-17 16:21:21 +08:00
committed by suren-gabrielyan-espressif
parent c8b0d5ea9d
commit 6258edf23b
1 changed files with 14 additions and 9 deletions
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23
components/mdns/mdns.c
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@ -2315,9 +2315,7 @@ static mdns_service_t * _mdns_create_service(const char * service, const char *
if (hostname) { if (hostname) {
s->hostname = strndup(hostname, MDNS_NAME_BUF_LEN - 1); s->hostname = strndup(hostname, MDNS_NAME_BUF_LEN - 1);
if (!s->hostname) { if (!s->hostname) {
free((char *)s->instance); goto fail;
free(s);
return NULL;
} }
} else { } else {
s->hostname = NULL; s->hostname = NULL;
@ -2325,20 +2323,27 @@ static mdns_service_t * _mdns_create_service(const char * service, const char *
s->service = strndup(service, MDNS_NAME_BUF_LEN - 1); s->service = strndup(service, MDNS_NAME_BUF_LEN - 1);
if (!s->service) { if (!s->service) {
free((char *)s->instance); goto fail;
free(s);
return NULL;
} }
s->proto = strndup(proto, MDNS_NAME_BUF_LEN - 1); s->proto = strndup(proto, MDNS_NAME_BUF_LEN - 1);
if (!s->proto) { if (!s->proto) {
free((char *)s->instance);
free((char *)s->service); free((char *)s->service);
free(s); goto fail;
return NULL;
} }
return s; return s;
fail:
if (s->instance) {
free(s->instance);
}
if (s->hostname) {
free(s->hostname);
}
free(s);
return NULL;
} }
/** /**