The 31-year-old has been on loan at League One strugglers Rotherham, and impressed despite the Millers' poor run of form.
His time at Millmoor was due to end after Saturday's game against Bradford City anyway.
Forest midfielder faces surgery
The 31-year-old has been on loan at League One strugglers Rotherham, and impressed despite the Millers' poor run of form.
His time at Millmoor was due to end after Saturday's game against Bradford City anyway.