Description: in monitor mode with --scan option also must be set either --mail or --program options.
This patch define command 'mdadm --monitor --syslog --scan' as valid
(that is no need to add --mail or --program options)

Sergei Butakov <sergei@bslos.com>

--- mdadm-2.6.4/Monitor.c.orig	2008-03-07 10:23:10.000000000 +0500
+++ mdadm-2.6.4/Monitor.c	2008-03-07 18:14:02.000000000 +0500
@@ -129,8 +129,8 @@
 			fprintf(stderr, Name ": Monitor using program \"%s\" from config file\n",
 			       alert_cmd);
 	}
-	if (scan && !mailaddr && !alert_cmd) {
-		fprintf(stderr, Name ": No mail address or alert command - not monitoring.\n");
+	if (scan && !mailaddr && !alert_cmd && !dosyslog) {
+		fprintf(stderr, Name ": No mail address or alert command or syslog - not monitoring.\n");
 		return 1;
 	}