Here is the information that is available in Andrew Booth's book:
Comfort, Charles L. (also borne on Rolls as Carnford, C. S.), 1st Sergt. Lt. Cos. I. and E. 11th La. Infty. En. Aug. 18th, 1861, Camp Moore, La Present on Rolls to October, 1861. Federal Rolls of Prisoners of War, Captured Liberty, Miss., Nov. 16th, 1864. Transfd. to Ship Island, Miss., Dec. 15th, 1864. Exchanged March 2nd, 1865.