From 3191fc8d0e3744a78204c05e8d6e8a83a5cf7f0e Mon Sep 17 00:00:00 2001
From: Willy Tarreau <w@1wt.eu>
Date: Sat, 16 Aug 2008 18:41:13 +0200
Subject: [PATCH] [BUG] maintain_proxies must not disable backends

maintain_proxies could disable backends (p->maxconn == 0) which is
wrong (but apparently harmless). Add a check for p->maxconn == 0.
(cherry picked from commit d5382b4aaa099ce5ce2af5828bd4d6dc38e9e8ea)
(cherry picked from commit 2f9127b4b91de1ac685498e145f29342115bcb71)
---
 src/proxy.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/proxy.c b/src/proxy.c
index 7019606f0..83ef1d599 100644
--- a/src/proxy.c
+++ b/src/proxy.c
@@ -279,7 +279,7 @@ void maintain_proxies(struct timeval *next)
 	/* if there are enough free sessions, we'll activate proxies */
 	if (actconn < global.maxconn) {
 		while (p) {
-			if (p->feconn < p->maxconn) {
+			if (!p->maxconn || p->feconn < p->maxconn) {
 				if (p->state == PR_STIDLE) {
 					for (l = p->listen; l != NULL; l = l->next)
 						enable_listener(l);