pbs: free image: explicitly return undef

Storage.pm's vdisk_free interprets truthy return values as worker subs, so be
explicit about returning undef here. Not an issue at the moment, because
run_client_command already returns undef, but better be safe than sorry.

Signed-off-by: Fabian Ebner <f.ebner@proxmox.com>

diff --git a/PVE/Storage/PBSPlugin.pm b/PVE/Storage/PBSPlugin.pm
index ae45a1ad09c26802f2a08cb94ef5041838fa6dc6..68c702aa1f466b2eb3b2253494a3f11ec2ceacc1 100644 (file)
--- a/PVE/Storage/PBSPlugin.pm
+++ b/PVE/Storage/PBSPlugin.pm
@@ -595,6 +595,8 @@ sub free_image {
     my ($vtype, $name, $vmid) = $class->parse_volname($volname);
 
     run_client_cmd($scfg, $storeid, "forget", [ $name ], 1);
+
+    return;
 }