CHECK: Macro argument 'x' may be better as '(x)' to avoid precedence issues
WARNING: added, moved or deleted file(s), does MAINTAINERS need updating?
WARNING: line length of 81 exceeds 80 columns
WARNING: line length of 83 exceeds 80 columns
WARNING: line length of 84 exceeds 80 columns
WARNING: line length of 86 exceeds 80 columns
WARNING: line length of 90 exceeds 80 columns
WARNING: line length of 96 exceeds 80 columns
WARNING: return of an errno should typically be negative (ie: return -EAGAIN)