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authorAndy Whitcroft <apw@shadowen.org>2008-10-16 07:02:21 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2008-10-16 20:21:35 +0200
commit6ecd967444223cea4a02d55fdc0f0510baa69523 (patch)
tree852a9a63f4dc4f13dd07126c81209d595e51097f
parentcheckpatch: reduce warnings for #include of asm/foo.h to check from arch/bar.c (diff)
downloadlinux-6ecd967444223cea4a02d55fdc0f0510baa69523.tar.xz
linux-6ecd967444223cea4a02d55fdc0f0510baa69523.zip
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 <apw@shadowen.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rwxr-xr-xscripts/checkpatch.pl41
1 files changed, 41 insertions, 0 deletions
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*$/) {