Use trimmed() instead of simplified().

src/core/device.cpp

@@ -66,7 +66,7 @@ static qint32 getPhysicalSectorSize(const QString& device_node)
 
     if (f.open(QIODevice::ReadOnly)) {
         QByteArray a = f.readLine();
-        return a.simplified().toInt();
+        return a.trimmed().toInt();
     }
 
     return -1;

src/fs/luks.cpp

@@ -510,7 +510,7 @@ QString luks::readUUID(const QString& deviceNode) const
     ExternalCommand cmd(QStringLiteral("cryptsetup"),
                         { QStringLiteral("luksUUID"), deviceNode });
     if (cmd.run()) {
-        return cmd.output().simplified();
+        return cmd.output().trimmed();
     }
     return QStringLiteral("---");
 }

src/fs/ntfs.cpp

@@ -123,19 +123,13 @@ qint64 ntfs::readUsedCapacity(const QString& deviceNode) const
 
 bool ntfs::writeLabel(Report& report, const QString& deviceNode, const QString& newLabel)
 {
-    ExternalCommand writeCmd(report, QStringLiteral("ntfslabel"), { QStringLiteral("--force"), deviceNode, newLabel.simplified() });
+    ExternalCommand writeCmd(report, QStringLiteral("ntfslabel"), { QStringLiteral("--force"), deviceNode, newLabel });
     writeCmd.setProcessChannelMode(QProcess::SeparateChannels);
 
     if (!writeCmd.run(-1))
         return false;
 
-    ExternalCommand testCmd(QStringLiteral("ntfslabel"), { QStringLiteral("--force"), deviceNode });
-    testCmd.setProcessChannelMode(QProcess::SeparateChannels);
-
-    if (!testCmd.run(-1))
-        return false;
-
-    return testCmd.output().simplified() == newLabel.simplified();
+    return true;
 }
 
 bool ntfs::check(Report& report, const QString& deviceNode) const

src/util/helpers.cpp

@@ -79,7 +79,7 @@ bool isMounted(const QString& deviceNode)
                           deviceNode });
 
     if (cmd.run(-1) && cmd.exitCode() == 0) {
-        return !cmd.output().simplified().isEmpty();
+        return !cmd.output().trimmed().isEmpty();
     }
     return false;
 }