diff options
| -rwxr-xr-x | util/lint/checkpatch.pl | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/util/lint/checkpatch.pl b/util/lint/checkpatch.pl index c4e9ac8e41..bda7b31d88 100755 --- a/util/lint/checkpatch.pl +++ b/util/lint/checkpatch.pl @@ -6897,6 +6897,16 @@ sub process { "Using $1 should generally have parentheses around the comparison\n" . $herecurr); } +# check for array definition/declarations that should use flexible arrays instead + if ($sline =~ /^[\+ ]\s*\}(?:\s*__packed)?\s*;\s*$/ && + $prevline =~ /^\+\s*(?:\}(?:\s*__packed\s*)?|$Type)\s*$Ident\s*\[\s*(0|1)\s*\]\s*;\s*$/) { + if (ERROR("FLEXIBLE_ARRAY", + "Use C99 flexible arrays - see https://docs.kernel.org/process/deprecated.html#zero-length-and-one-element-arrays\n" . $hereprev) && + $1 == '0' && $fix) { + $fixed[$fixlinenr - 1] =~ s/\[\s*0\s*\]/[]/; + } + } + # whine mightly about in_atomic if ($line =~ /\bin_atomic\s*\(/) { if ($realfile =~ m@^drivers/@) { |