ERROR: code indent should use tabs where possible
WARNING: From:/Signed-off-by: email name mismatch: 'From: kelmenhorst <kelmenhorst@uni-osnabrueck.de>' != 'Signed-off-by: Kathrin Elmenhorst <kelmenhorst@uni-osnabrueck.de>'
WARNING: Missing a blank line after declarations
WARNING: braces {} are not necessary for single statement blocks
WARNING: line length of 85 exceeds 80 columns
WARNING: please, no spaces at the start of a line