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checkpatch: report any absolute references to kernel source files

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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 <apw@shadowen.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Andy Whitcroft 2008-10-15 22:02:21 -07:00 committed by Linus Torvalds
parent e09dec4831
commit 6ecd967444
1 changed files with 41 additions and 0 deletions
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41
scripts/checkpatch.pl
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@ -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*$/) {