[IrDA]: LMP discovery timer not started by default

By default, LMP sets up a 3 seconds timer for discovery.
We don't need it until discovery is set to 1.

Signed-off-by: Ross Burton <ross@openedhand.com>
Signed-off-by: Samuel Ortiz <samuel@sortiz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/irda/irlmp.c b/net/irda/irlmp.c
index f24cb75..135ac69 100644
--- a/net/irda/irlmp.c
+++ b/net/irda/irlmp.c
@@ -103,9 +103,12 @@
 	irlmp->last_lsap_sel = 0x0f; /* Reserved 0x00-0x0f */
 	strcpy(sysctl_devname, "Linux");
 
-	/* Do discovery every 3 seconds */
 	init_timer(&irlmp->discovery_timer);
-	irlmp_start_discovery_timer(irlmp, sysctl_discovery_timeout*HZ);
+
+	/* Do discovery every 3 seconds, conditionaly */
+	if (sysctl_discovery)
+		irlmp_start_discovery_timer(irlmp,
+					    sysctl_discovery_timeout*HZ);
 
 	return 0;
 }