From: Christopher Faulet <cfaulet@haproxy.com>
Date: Wed, 18 Sep 2019 09:11:46 +0000 (+0200)
Subject: BUG/MINOR: mux-fcgi: Be sure to have a connection to unsubcribe
X-Git-Tag: v2.1-dev2~59
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=a99db937c59c7427af946250438e0c18c37caa87;p=thirdparty%2Fhaproxy.git

BUG/MINOR: mux-fcgi: Be sure to have a connection to unsubcribe

When the mux is released, It must own the connection to unsubcribe.
This patch fixes the issue #283. No backport needed.
---

diff --git a/src/mux_fcgi.c b/src/mux_fcgi.c
index d2115ac9c5..ea8e48ba17 100644
--- a/src/mux_fcgi.c
+++ b/src/mux_fcgi.c
@@ -576,7 +576,7 @@ static void fcgi_release(struct fcgi_conn *fconn)
 		}
 		if (fconn->wait_event.tasklet)
 			tasklet_free(fconn->wait_event.tasklet);
-		if (fconn->wait_event.events != 0)
+		if (conn && fconn->wait_event.events != 0)
 			conn->xprt->unsubscribe(conn, conn->xprt_ctx, fconn->wait_event.events,
 						&fconn->wait_event);
 	}