From ee4c75c8b790001cb05d85a44b2a894a91f4ba05 Mon Sep 17 00:00:00 2001
From: Petr Rockai <prockai@redhat.com>
Date: Mon, 8 Oct 2012 16:16:58 +0200
Subject: [PATCH] dev-cache: Make dev_iter_create work with a NULL filter.

---
 lib/device/dev-cache.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/lib/device/dev-cache.c b/lib/device/dev-cache.c
index 79b302854..44a9e27f2 100644
--- a/lib/device/dev-cache.c
+++ b/lib/device/dev-cache.c
@@ -971,8 +971,12 @@ struct dev_iter *dev_iter_create(struct dev_filter *f, int dev_scan)
 
 	if (dev_scan && !trust_cache()) {
 		/* Flag gets reset between each command */
-		if (!full_scan_done() && f && f->wipe)
-			f->wipe(f); /* Calls _full_scan(1) */
+		if (!full_scan_done()) {
+			if (f && f->wipe)
+				f->wipe(f); /* Calls _full_scan(1) */
+			else
+				_full_scan(1);
+		}
 	} else
 		_full_scan(0);