CHECK: No space is necessary after a cast
CHECK: Prefer using the BIT macro
CHECK: struct mutex definition without comment
WARNING: line length of 102 exceeds 80 columns
WARNING: line length of 86 exceeds 80 columns
WARNING: line length of 88 exceeds 80 columns
WARNING: line length of 92 exceeds 80 columns
WARNING: line length of 93 exceeds 80 columns