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MemLeak: fix memory leak when cache size is 0

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This commit is contained in:
Nick Peng
2021-01-24 11:12:35 +08:00
parent 3ba8c418f7
commit 51e1e6565f
3 changed files with 7 additions and 4 deletions
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4
src/dns_server.c
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@@ -839,6 +839,7 @@ static int _dns_server_request_complete_AAAA(struct dns_request *request)
if (_dns_server_request_update_cache(request, DNS_T_AAAA, cache_data) != 0) {
goto errout;
}
cache_data = NULL;
}
request->has_soa = 0;
@@ -862,6 +863,7 @@ static int _dns_server_request_complete_AAAA(struct dns_request *request)
if (_dns_server_request_update_cache(request, DNS_T_A, cache_data) != 0) {
goto errout;
}
cache_data = NULL;
}
if (request->dualstack_selection) {
@@ -881,7 +883,7 @@ static int _dns_server_request_complete_AAAA(struct dns_request *request)
return 0;
errout:
if (cache_data == NULL) {
if (cache_data != NULL) {
dns_cache_data_free(cache_data);
cache_data = NULL;
}