diff options
| -rw-r--r-- | lib/http2.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/lib/http2.c b/lib/http2.c index 25d74c1a1..770ebdab5 100644 --- a/lib/http2.c +++ b/lib/http2.c @@ -202,8 +202,11 @@ static bool http2_connisdead(struct connectdata *conn) only "protocol frames" */ CURLcode result; struct http_conn *httpc = &conn->proto.httpc; - ssize_t nread = ((Curl_recv *)httpc->recv_underlying)( - conn, FIRSTSOCKET, httpc->inbuf, H2_BUFSIZE, &result); + ssize_t nread = -1; + if(httpc->recv_underlying) + /* if called "too early", this pointer isn't setup yet! */ + nread = ((Curl_recv *)httpc->recv_underlying)( + conn, FIRSTSOCKET, httpc->inbuf, H2_BUFSIZE, &result); if(nread != -1) { infof(conn->data, "%d bytes stray data read before trying h2 connection\n", |