From 05a2d7bcfda1c250952a86a237609628e783591a Mon Sep 17 00:00:00 2001
From: Zdenek Kabelac <zkabelac@redhat.com>
Date: Thu, 1 Mar 2012 10:31:35 +0000
Subject: [PATCH] Add cast for ptrdiff_t - cleanup gcc warning

---
 libdm/mm/pool-fast.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libdm/mm/pool-fast.c b/libdm/mm/pool-fast.c
index dd41b6ece..d54527ac5 100644
--- a/libdm/mm/pool-fast.c
+++ b/libdm/mm/pool-fast.c
@@ -258,7 +258,7 @@ static struct chunk *_new_chunk(struct dm_pool *p, size_t s)
 	struct chunk *c;
 
 	if (p->spare_chunk &&
-	    ((p->spare_chunk->end - p->spare_chunk->begin) >= s)) {
+	    ((p->spare_chunk->end - p->spare_chunk->begin) >= (ptrdiff_t)s)) {
 		/* reuse old chunk */
 		c = p->spare_chunk;
 		p->spare_chunk = 0;