checkpatch: validate SPDX license with spdxcheck.py
Use the existing scripts/spdxcheck.py to validate any
SPDX-License-Identifier found in line 1 or 2 of patches or files.
Miscellanea:
o Properly indent the existing SPDX-License-Identifier block.
Link: http://lkml.kernel.org/r/05b832407b24e0a27e419906187cd863bc1617c7.camel@perches.com
Signed-off-by: Joe Perches <joe@perches.com>
Acked-by: Rob Herring <robh@kernel.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 34e4683..4523dd6 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -849,6 +849,16 @@
return $status =~ /obsolete/i;
}
+sub is_SPDX_License_valid {
+ my ($license) = @_;
+
+ return 1 if (!$tree || which("python") eq "" || !(-e "$root/scripts/spdxcheck.py"));
+
+ my $status = `echo "$license" | python $root/scripts/spdxcheck.py -`;
+ return 0 if ($status ne "");
+ return 1;
+}
+
my $camelcase_seeded = 0;
sub seed_camelcase_includes {
return if ($camelcase_seeded);
@@ -2978,8 +2988,14 @@
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);
+ WARN("SPDX_LICENSE_TAG",
+ "Missing or malformed SPDX-License-Identifier tag in line $checklicenseline\n" . $herecurr);
+ } elsif ($rawline =~ /(SPDX-License-Identifier: .*)/) {
+ my $spdx_license = $1;
+ if (!is_SPDX_License_valid($spdx_license)) {
+ WARN("SPDX_LICENSE_TAG",
+ "'$spdx_license' is not supported in LICENSES/...\n" . $herecurr);
+ }
}
}
}
