mdadm/mdadm-3.2.6-Create.c-check-if-freesize-is-equal-0.patch

From 066e92f017df22c879c455494d2c1743ef7f3aca Mon Sep 17 00:00:00 2001
From: Lukasz Dorau <lukasz.dorau@intel.com>
Date: Fri, 16 Nov 2012 17:24:36 +0100
Subject: [PATCH] Create.c: check if freesize is equal 0

"freesize" can be equal 0, particularly after rounding to the chunk's size.
Creating should be aborted in such case.

Signed-off-by: Lukasz Dorau <lukasz.dorau@intel.com>
Signed-off-by: NeilBrown <neilb@suse.de>
---
 Create.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Create.c b/Create.c
index afcf1a5..436bd1d 100644
--- a/Create.c
+++ b/Create.c
@@ -407,6 +407,11 @@
 				do_default_chunk = 0;
 			}
 		}
+		if (!freesize) {
+			fprintf(stderr, Name ": no free space left on %s\n", dname);
+			fail = 1;
+			continue;
+		}
 
 		if (size && freesize < size) {
 			fprintf(stderr, Name ": %s is smaller than given size."