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multi: Fix error handling in the SENDPROTOCONNECT state 

If Curl_protocol_connect() returns an error code,
handle the error instead of switching to the next state.

Closes #3170
This commit is contained in:
Michael Kaufmann 2018-10-25 13:07:03 +02:00
parent 4441d3c548
commit 3793761a37
1 changed files with 1 additions and 1 deletions
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2
lib/multi.c
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@ -1608,7 +1608,7 @@ static CURLMcode multi_runsingle(struct Curl_multi *multi,
case CURLM_STATE_SENDPROTOCONNECT:
result = Curl_protocol_connect(data->easy_conn, &protocol_connect);
if(!protocol_connect)
if(!result && !protocol_connect)
/* switch to waiting state */
multistate(data, CURLM_STATE_PROTOCONNECT);
else if(!result) {