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-rw-r--r--lib/kernel/src/inet_res.erl1
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/kernel/src/inet_res.erl b/lib/kernel/src/inet_res.erl
index 9b9e078898..fb8a5f3e71 100644
--- a/lib/kernel/src/inet_res.erl
+++ b/lib/kernel/src/inet_res.erl
@@ -592,6 +592,7 @@ query_retries(_Q, _NSs, _Timer, Retry, Retry, S) ->
query_retries(Q, NSs, Timer, Retry, I, S0) ->
Num = length(NSs),
if Num =:= 0 ->
+ udp_close(S0),
{error,timeout};
true ->
case query_nss(Q, NSs, Timer, Retry, I, S0, []) of