[pve-devel] [PATCH] add check if format is defined to avoid warning

[Wolfgang Link]

---
 PVE/Storage/Plugin.pm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/PVE/Storage/Plugin.pm b/PVE/Storage/Plugin.pm
index 002b265..7461452 100644
--- a/PVE/Storage/Plugin.pm
+++ b/PVE/Storage/Plugin.pm
@@ -597,7 +597,7 @@ sub free_image {
 
     my $path = $class->filesystem_path($scfg, $volname);
 
-    if ($format eq 'subvol') {
+    if (defined($format) && $format eq 'subvol') {
 	File::Path::remove_tree($path);
     } else {
     
-- 
2.1.4