CHECK: Alignment should match open parenthesis
CHECK: Comparison to NULL could be written "!buf"
CHECK: Comparison to NULL could be written "!context->func"
CHECK: Comparison to NULL could be written "old_val"
CHECK: Please don't use multiple blank lines
CHECK: Please use a blank line after function/struct/union/enum declarations
ERROR: code indent should use tabs where possible
WARNING: Prefer kzalloc_obj over kzalloc with sizeof
WARNING: line length of 83 exceeds 80 columns
WARNING: line length of 86 exceeds 80 columns
WARNING: line length of 89 exceeds 80 columns
WARNING: line length of 92 exceeds 80 columns
WARNING: please, no spaces at the start of a line