From 879e06db39cb2d1113bb64a9ec0b5480cb837fca Mon Sep 17 00:00:00 2001
From: Milan Broz <gmazyland@gmail.com>
Date: Thu, 11 Oct 2018 15:38:56 +0200
Subject: [PATCH 061/324] Wiping empty device should not fail.

---
 lib/utils_wipe.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/utils_wipe.c b/lib/utils_wipe.c
index 77550c7..04cc531 100644
--- a/lib/utils_wipe.c
+++ b/lib/utils_wipe.c
@@ -161,7 +161,7 @@ int crypt_wipe_device(struct crypt_device *cd,
 		return errno ? -errno : -EINVAL;
 
 	r = device_size(device, &dev_size);
-	if (r)
+	if (r || dev_size == 0)
 		goto out;
 
 	if (length) {
-- 
2.19.1