Commit 6ecd9674 authored by Andy Whitcroft's avatar Andy Whitcroft Committed by Linus Torvalds
Browse files

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: default avatarAndy Whitcroft <apw@shadowen.org>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent e09dec48
......@@ -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*$/) {
......
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