BUG/MINOR: srv: do not cleanup idle conns if pool max is null
If a server is configured to not have any idle conns, returns immediatly
from srv_cleanup_connections. This avoids a segfault when a server is
configured with pool-max-conn to 0.
This should be backported up to 2.2.
diff --git a/src/server.c b/src/server.c
index def0127..9463882 100644
--- a/src/server.c
+++ b/src/server.c
@@ -5299,6 +5299,10 @@
int did_remove;
int i;
+ /* nothing to do if pool-max-conn is null */
+ if (!srv->max_idle_conns)
+ return;
+
/* check all threads starting with ours */
for (i = tid;;) {
did_remove = 0;