From 7c8bd3fcd0e04bd41abb78512274ec0fa2b2eefa Mon Sep 17 00:00:00 2001
From: Patrick Caulfield <pcaulfie@redhat.com>
Date: Tue, 12 Mar 2002 15:27:51 +0000
Subject: [PATCH] Fix _align so it works on 64-bit machines.

---
 libdm/ioctl/libdevmapper.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/libdm/ioctl/libdevmapper.c b/libdm/ioctl/libdevmapper.c
index 3a88a1a80..b94d7efab 100644
--- a/libdm/ioctl/libdevmapper.c
+++ b/libdm/ioctl/libdevmapper.c
@@ -131,9 +131,10 @@ struct target *create_target(uint64_t start,
 	return NULL;
 }
 
-static void *_align(void *ptr, unsigned int align)
+static void *_align(void *ptr, unsigned int a)
 {
-	align--;
+	register unsigned long align = --a;
+
 	return (void *) (((unsigned long) ptr + align) & ~align);
 }