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BUG/MEDIUM: connection: Make sure we have a mux before calling detach().

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In some cases, we call cs_destroy() very early, so early the connection
doesn't yet have a mux, so we can't call mux->detach(). In this case,
just destroy the associated connection.

This should be backported to 1.8.
This commit is contained in:
Olivier Houchard 2018-04-13 15:50:27 +02:00 committed by Willy Tarreau
parent 48aa13f286
commit 302f9ef055
1 changed files with 14 additions and 1 deletions
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15
include/proto/connection.h
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@ -699,7 +699,20 @@ static inline void conn_free(struct connection *conn)
/* Release a conn_stream, and kill the connection if it was the last one */
static inline void cs_destroy(struct conn_stream *cs)
{
cs->conn->mux->detach(cs);
if (cs->conn->mux)
cs->conn->mux->detach(cs);
else {
/* It's too early to have a mux, let's just destroy
* the connection
*/
struct connection *conn = cs->conn;
conn_stop_tracking(conn);
conn_full_close(conn);
if (conn->destroy_cb)
conn->destroy_cb(conn);
conn_free(conn);
}
cs_free(cs);
}