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Date: Thu, 01 Mar 2012 22:54:00 -0000
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From: zkabelac@sourceware.org
To: lvm-devel@redhat.com, lvm2-cvs@sourceware.org
Subject: LVM2/daemons/dmeventd dmeventd.c
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CVSROOT:	/cvs/lvm2
Module name:	LVM2
Changes by:	zkabelac@sourceware.org	2012-03-01 22:54:17

Modified files:
	daemons/dmeventd: dmeventd.c 

Log message:
	Skip zero length messages
	
	In case of zero length message, there would be a memory leak on
	return path from _do_process_request.

Patches:
http://sourceware.org/cgi-bin/cvsweb.cgi/LVM2/daemons/dmeventd/dmeventd.c.diff?cvsroot=lvm2&r1=1.93&r2=1.94

--- LVM2/daemons/dmeventd/dmeventd.c	2012/03/01 22:06:18	1.93
+++ LVM2/daemons/dmeventd/dmeventd.c	2012/03/01 22:54:17	1.94
@@ -1504,9 +1504,10 @@
 
 	while ((reg = _initial_registrations[i])) {
 		msg.cmd = DM_EVENT_CMD_REGISTER_FOR_EVENT;
-		msg.size = strlen(reg);
-		msg.data = reg;
-		_do_process_request(&msg);
+		if ((msg.size = strlen(reg))) {
+			msg.data = reg;
+			_do_process_request(&msg);
+		}
 		++ i;
 	}
 }