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http2_recv: a closed stream trumps pause state

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... and thus should return 0, not EAGAIN.

Reported-by: Tom van der Woerdt
Fixes #4496
Closes #4505
This commit is contained in:
Daniel Stenberg 2019-10-18 17:27:21 +02:00
parent 59041f052a
commit 95a4cfd888
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1 changed files with 3 additions and 0 deletions
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lib/http2.c
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@ -1663,6 +1663,9 @@ static ssize_t http2_recv(struct connectdata *conn, int sockindex,
socket is not read. But it seems that usually streams are socket is not read. But it seems that usually streams are
notified with its drain property, and socket is read again notified with its drain property, and socket is read again
quickly. */ quickly. */
if(stream->closed)
/* closed overrides paused */
return 0;
H2BUGF(infof(data, "stream %x is paused, pause id: %x\n", H2BUGF(infof(data, "stream %x is paused, pause id: %x\n",
stream->stream_id, httpc->pause_stream_id)); stream->stream_id, httpc->pause_stream_id));
*err = CURLE_AGAIN; *err = CURLE_AGAIN;