From 6ecd967444223cea4a02d55fdc0f0510baa69523 Mon Sep 17 00:00:00 2001 From: Andy Whitcroft Date: Wed, 15 Oct 2008 22:02:21 -0700 Subject: [PATCH] checkpatch: report any absolute references to kernel source files Absolute references to kernel source files are generally only useful locally to the originator of the patch. Check for any such references and report them. Signed-off-by: Andy Whitcroft Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- scripts/checkpatch.pl | 41 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 41 insertions(+) diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl index 9e7e9d1d5958..cc61cf7187ef 100755 --- a/scripts/checkpatch.pl +++ b/scripts/checkpatch.pl @@ -958,6 +958,33 @@ sub CHK { } } +sub check_absolute_file { + my ($absolute, $herecurr) = @_; + my $file = $absolute; + + ##print "absolute<$absolute>\n"; + + # See if any suffix of this path is a path within the tree. + while ($file =~ s@^[^/]*/@@) { + if (-f "$root/$file") { + ##print "file<$file>\n"; + last; + } + } + if (! -f _) { + return 0; + } + + # It is, so see if the prefix is acceptable. + my $prefix = $absolute; + substr($prefix, -length($file)) = ''; + + ##print "prefix<$prefix>\n"; + if ($prefix ne ".../") { + WARN("use relative pathname instead of absolute in changelog text\n" . $herecurr); + } +} + sub process { my $filename = shift; @@ -1168,6 +1195,20 @@ sub process { $herecurr) if (!$emitted_corrupt++); } +# Check for absolute kernel paths. + if ($tree) { + while ($line =~ m{(?:^|\s)(/\S*)}g) { + my $file = $1; + + if ($file =~ m{^(.*?)(?::\d+)+:?$} && + check_absolute_file($1, $herecurr)) { + # + } else { + check_absolute_file($file, $herecurr); + } + } + } + # UTF-8 regex found at http://www.w3.org/International/questions/qa-forms-utf-8.en.php if (($realfile =~ /^$/ || $line =~ /^\+/) && $rawline !~ m/^$UTF8*$/) {