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Message-Id: <20190322211137.18241-3-sean.j.christopherson@intel.com>
Date: Fri, 22 Mar 2019 14:11:37 -0700
From: Sean Christopherson <sean.j.christopherson@...el.com>
To: Jonathan Corbet <corbet@....net>,
Andy Whitcroft <apw@...onical.com>,
Joe Perches <joe@...ches.com>
Cc: linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
"Tobin C . Harding" <me@...in.cc>,
Thomas Gleixner <tglx@...utronix.de>,
Jani Nikula <jani.nikula@...ux.intel.com>,
Jorge Ramirez-Ortiz <jorge.ramirez-ortiz@...aro.org>,
Jonathan Cameron <jic23@...nel.org>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Niklas Cassel <niklas.cassel@...aro.org>
Subject: [PATCH v5 2/2] checkpatch: Warn on improper usage of Co-developed-by
The purpose of Co-developed-by: is to give attribution to authors who
aren't already attributed by the From: tag, i.e. who aren't the nominal
patch author. Because Co-developed-by: is essentially a variation of
From:, it must be accompanied by a Signed-off-by: of the associated
co-author. To ease the burden of determining whether or not co-authors
have signed off, Co-developed-by and Signed-off-by: must be explicitly
paired, i.e. on consecutive lines for a given co-author.
Suggested-by: Joe Perches <joe@...ches.com>
Cc: Tobin C. Harding <me@...in.cc>
Cc: Thomas Gleixner <tglx@...utronix.de>
Cc: Jani Nikula <jani.nikula@...ux.intel.com>
Cc: Jorge Ramirez-Ortiz <jorge.ramirez-ortiz@...aro.org>
Cc: Jonathan Cameron <jic23@...nel.org>
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc: Niklas Cassel <niklas.cassel@...aro.org>
Cc: Jonathan Corbet <corbet@....net>
Signed-off-by: Sean Christopherson <sean.j.christopherson@...el.com>
---
scripts/checkpatch.pl | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 5b756278df13..bbe71f017f6d 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -2687,6 +2687,24 @@ sub process {
} else {
$signatures{$sig_nospace} = 1;
}
+
+# Check Co-developed-by: immediately followed by Signed-off-by: with same name and email
+ if ($sign_off =~ /^co-developed-by:$/i) {
+ if ($email eq $author) {
+ WARN("BAD_SIGN_OFF",
+ "Co-developed-by: should not be used to attribute nominal patch author '$author'\n" . "$here\n" . $rawline);
+ }
+ if (!defined $lines[$linenr]) {
+ WARN("BAD_SIGN_OFF",
+ "Co-developed-by: must be immediately followed by Signed-off-by:\n" . "$here\n" . $rawline);
+ } elsif ($rawlines[$linenr] !~ /^\s*signed-off-by:\s*(.*)/i) {
+ WARN("BAD_SIGN_OFF",
+ "Co-developed-by: must be immediately followed by Signed-off-by:\n" . "$here\n" . $rawline . "\n" .$rawlines[$linenr]);
+ } elsif ($1 ne $email) {
+ WARN("BAD_SIGN_OFF",
+ "Co-developed-by and Signed-off-by: name/email do not match \n" . "$here\n" . $rawline . "\n" .$rawlines[$linenr]);
+ }
+ }
}
# Check email subject for common tools that don't need to be mentioned
--
2.21.0
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