linux-kernel - [PATCH 1/4] checkpatch: revert broken NOTIFIER

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Message-ID: <20190821040355.19566-1-jhubbard@nvidia.com>
Date:   Tue, 20 Aug 2019 21:03:52 -0700
From:   John Hubbard <jhubbard@...dia.com>
To:     Andrew Morton <akpm@...ux-foundation.org>
CC:     Christoph Hellwig <hch@...radead.org>,
        Dan Williams <dan.j.williams@...el.com>,
        Dave Chinner <david@...morbit.com>,
        Ira Weiny <ira.weiny@...el.com>, Jan Kara <jack@...e.cz>,
        Jason Gunthorpe <jgg@...pe.ca>,
        Jérôme Glisse <jglisse@...hat.com>,
        Vlastimil Babka <vbabka@...e.cz>,
        LKML <linux-kernel@...r.kernel.org>, <linux-mm@...ck.org>,
        <linux-fsdevel@...r.kernel.org>, <linux-rdma@...r.kernel.org>,
        John Hubbard <jhubbard@...dia.com>,
        "Andy Whitcroft" <apw@...onical.com>,
        Joe Perches <joe@...ches.com>,
        "Gilad Ben-Yossef" <gilad@...yossef.com>,
        Ofir Drang <ofir.drang@....com>
Subject: [PATCH 1/4] checkpatch: revert broken NOTIFIER_HEAD check

commit 1a47005dd5aa ("checkpatch: add *_NOTIFIER_HEAD as var
definition") causes the following warning when run on some
patches:

Unescaped left brace in regex is passed through in regex;
marked by < --HERE in m/(?:
...
   [238 lines of appalling perl output, mercifully not included]
...
)/ at ./scripts/checkpatch.pl line 3889.

This is broken, so revert it until a better solution is found.

Fixes: 1a47005dd5aa ("checkpatch: add *_NOTIFIER_HEAD as var
definition")

Cc: Andy Whitcroft <apw@...onical.com>
Cc: Joe Perches <joe@...ches.com>
Cc: Gilad Ben-Yossef <gilad@...yossef.com>
Cc: Ofir Drang <ofir.drang@....com>
Cc: Andrew Morton <akpm@...ux-foundation.org>
Signed-off-by: John Hubbard <jhubbard@...dia.com>
---
 scripts/checkpatch.pl | 1 -
 1 file changed, 1 deletion(-)

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 5c00151cdee8..284eb4bd84aa 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -3891,7 +3891,6 @@ sub process {
 				^.DEFINE_$Ident\(\Q$name\E\)|
 				^.DECLARE_$Ident\(\Q$name\E\)|
 				^.LIST_HEAD\(\Q$name\E\)|
-				^.{$Ident}_NOTIFIER_HEAD\(\Q$name\E\)|
 				^.(?:$Storage\s+)?$Type\s*\(\s*\*\s*\Q$name\E\s*\)\s*\(|
 				\b\Q$name\E(?:\s+$Attribute)*\s*(?:;|=|\[|\()
 			    )/x) {
-- 
2.22.1