From: David Teigland <teigland@redhat.com>
Subject: [RHEL5.1 PATCH] dlm: zero new user lvbs
Date: Thu, 19 Apr 2007 11:45:48 -0500
Bugzilla: 237124
Message-Id: <20070419164548.GA23079@redhat.com>
Changelog: [dlm] zero new user lvbs


bz 237124

A new lvb for a userland lock wasn't being initialized to zero.

Index: linux-2.6.20-rc5-quilt/fs/dlm/lock.c
===================================================================
--- linux-2.6.20-rc5-quilt.orig/fs/dlm/lock.c	2007-01-30 16:34:12.000000000 -0600
+++ linux-2.6.20-rc5-quilt/fs/dlm/lock.c	2007-01-30 16:58:50.000000000 -0600
@@ -3643,7 +3643,7 @@
 	}
 
 	if (flags & DLM_LKF_VALBLK) {
-		ua->lksb.sb_lvbptr = kmalloc(DLM_USER_LVB_LEN, GFP_KERNEL);
+		ua->lksb.sb_lvbptr = kzalloc(DLM_USER_LVB_LEN, GFP_KERNEL);
 		if (!ua->lksb.sb_lvbptr) {
 			kfree(ua);
 			__put_lkb(ls, lkb);
@@ -3712,7 +3712,7 @@
 	ua = (struct dlm_user_args *)lkb->lkb_astparam;
 
 	if (flags & DLM_LKF_VALBLK && !ua->lksb.sb_lvbptr) {
-		ua->lksb.sb_lvbptr = kmalloc(DLM_USER_LVB_LEN, GFP_KERNEL);
+		ua->lksb.sb_lvbptr = kzalloc(DLM_USER_LVB_LEN, GFP_KERNEL);
 		if (!ua->lksb.sb_lvbptr) {
 			error = -ENOMEM;
 			goto out_put;