From 9e91cd70ee5854ce84a7a09d1f190f5dc278ba86 Mon Sep 17 00:00:00 2001
From: Gabriele <pmzqla.git@gmail.com>
Date: Fri, 11 Dec 2015 20:32:31 +0100
Subject: [PATCH] WebUI: Allow to remove the label assigned to a torrent

Empty strings are not valid label names, but they are used to remove
torrent labels, so allow them.
---
 src/webui/webapplication.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/webui/webapplication.cpp b/src/webui/webapplication.cpp
index 1a61bff6d..534a66379 100644
--- a/src/webui/webapplication.cpp
+++ b/src/webui/webapplication.cpp
@@ -724,7 +724,7 @@ void WebApplication::action_command_setLabel()
 
     QStringList hashes = request().posts["hashes"].split("|");
     QString label = request().posts["label"].trimmed();
-    if (!Utils::Fs::isValidFileSystemName(label)) {
+    if (!Utils::Fs::isValidFileSystemName(label) && !label.isEmpty()) {
         status(400, "Labels must not contain special characters");
         return;
     }