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authorRob Herring <robh@kernel.org>2018-04-10 16:33:13 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2018-04-11 10:28:35 -0700
commit9f3a89926d6dfc30a4fd1bbcb92cc7b218d3786d (patch)
tree8f307e687f09a5729e80bcc15a2ce5b46bc4cd71 /scripts
parent85e12066ea09bbee5c99ff2dbde9934291533b0d (diff)
downloadlinux-stericsson-9f3a89926d6dfc30a4fd1bbcb92cc7b218d3786d.tar.gz
checkpatch.pl: add SPDX license tag check
Add SPDX license tag check based on the rules defined in Documentation/process/license-rules.rst. To summarize, SPDX license tags should be on the 1st line (or 2nd line in scripts) using the appropriate comment style for the file type. Link: http://lkml.kernel.org/r/20180202154026.15298-1-robh@kernel.org Signed-off-by: Rob Herring <robh@kernel.org> Signed-off-by: Joe Perches <joe@perches.com> Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Acked-by: Philippe Ombredanne <pombredanne@nexb.com> Cc: Andy Whitcroft <apw@canonical.com> Cc: Joe Perches <joe@perches.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Igor Stoppa <igor.stoppa@huawei.com> Cc: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'scripts')
-rwxr-xr-xscripts/checkpatch.pl27
1 files changed, 27 insertions, 0 deletions
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index b464a4c3f863..0f022b56f117 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -2257,6 +2257,8 @@ sub process {
my $camelcase_file_seeded = 0;
+ my $checklicenseline = 1;
+
sanitise_line_reset();
my $line;
foreach my $rawline (@rawlines) {
@@ -2448,6 +2450,7 @@ sub process {
} else {
$check = $check_orig;
}
+ $checklicenseline = 1;
next;
}
@@ -2911,6 +2914,30 @@ sub process {
}
}
+# check for using SPDX license tag at beginning of files
+ if ($realline == $checklicenseline) {
+ if ($rawline =~ /^[ \+]\s*\#\!\s*\//) {
+ $checklicenseline = 2;
+ } elsif ($rawline =~ /^\+/) {
+ my $comment = "";
+ if ($realfile =~ /\.(h|s|S)$/) {
+ $comment = '/*';
+ } elsif ($realfile =~ /\.(c|dts|dtsi)$/) {
+ $comment = '//';
+ } elsif (($checklicenseline == 2) || $realfile =~ /\.(sh|pl|py|awk|tc)$/) {
+ $comment = '#';
+ } elsif ($realfile =~ /\.rst$/) {
+ $comment = '..';
+ }
+
+ if ($comment !~ /^$/ &&
+ $rawline !~ /^\+\Q$comment\E SPDX-License-Identifier: /) {
+ WARN("SPDX_LICENSE_TAG",
+ "Missing or malformed SPDX-License-Identifier tag in line $checklicenseline\n" . $herecurr);
+ }
+ }
+ }
+
# check we are in a valid source file if not then ignore this hunk
next if ($realfile !~ /\.(h|c|s|S|sh|dtsi|dts)$/);