doh: return early if there is no time left

Closes #4406
2019-09-23 13:10:12 +02:00 · 2019-09-23 13:10:12 +02:00 · bb74201804
parent 0023fce38d
commit bb74201804
1 changed files with 4 additions and 1 deletions
--- a/lib/doh.c
+++ b/lib/doh.c
@ -240,7 +240,10 @@ static CURLcode dohprobe(struct Curl_easy *data,
  }

  timeout_ms = Curl_timeleft(data, NULL, TRUE);
-
+  if(timeout_ms <= 0) {
+    result = CURLE_OPERATION_TIMEDOUT;
+    goto error;
+  }
  /* Curl_open() is the internal version of curl_easy_init() */
  result = Curl_open(&doh);
  if(!result) {