From: NeilBrown <neilb@suse.de>
Date: Thu, 2 Apr 2009 03:02:33 +0000 (+1100)
Subject: ddf: make sure Create fails if devices are too small.
X-Git-Tag: mdadm-3.0-rc1~50
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=ea17e7aa302355b52247a017ed388fc51317008e;p=thirdparty%2Fmdadm.git

ddf: make sure Create fails if devices are too small.

Signed-off-by: NeilBrown <neilb@suse.de>
---

diff --git a/super-ddf.c b/super-ddf.c
index 11a3bac9..7cc5ac66 100644
--- a/super-ddf.c
+++ b/super-ddf.c
@@ -2651,6 +2651,8 @@ validate_geometry_ddf_container(struct supertype *st,
 	close(fd);
 
 	*freesize = avail_size_ddf(st, ldsize >> 9);
+	if (*freesize == 0)
+		return 0;
 
 	return 1;
 }