The dm emc hardware handler code memset the hardware handler
structure to zero AFTER it had initialized the structure's
spinlock field.

Signed-Off-By: Alasdair G Kergon <agk@redhat.com>
From: Dave Olien <dmo@osdl.org>

--- diff/drivers/md/dm-emc.c	2005-04-21 18:48:40.000000000 +0100
+++ source/drivers/md/dm-emc.c	2005-04-21 18:48:29.000000000 +0100
@@ -223,8 +223,10 @@
 {
 	struct emc_handler *h = kmalloc(sizeof(*h), GFP_KERNEL);
 
-	if (h)
+	if (h) {
+		memset(h, 0, sizeof(*h));
 		spin_lock_init(&h->lock);
+	}
 
 	return h;
 }
@@ -259,8 +261,6 @@
 	if (!h)
 		return -ENOMEM;
 
-	memset(h, 0, sizeof(*h));
-
 	hwh->context = h;
 
 	if ((h->short_trespass = short_trespass))