CHECK: Alignment should match open parenthesis
CHECK: Unnecessary parentheses around 'prev_mc_op != PROC_CN_MCAST_IGNORE'
CHECK: Unnecessary parentheses around 'prev_mc_op != PROC_CN_MCAST_LISTEN'
CHECK: struct mutex definition without comment
WARNING: Possible unnecessary 'out of memory' message
WARNING: Symbolic permissions 'S_IRUGO' are not preferred. Consider using octal permissions '0444'.
WARNING: added, moved or deleted file(s), does MAINTAINERS need updating?
WARNING: line length of 140 exceeds 80 columns