linux-kernel - checkpatch confused by pre-existing #endif

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Message-Id: <1231883863.21706.17.camel@dv>
Date:	Tue, 13 Jan 2009 16:57:43 -0500
From:	Pavel Roskin <proski@....org>
To:	Andy Whitcroft <apw@...onical.com>, linux-kernel@...r.kernel.org
Subject: checkpatch confused by pre-existing #endif

Hello!

This patch confuses checkpatch.pl from Linux 2.6.29-rc1:

====================
--- foo.h.old	2009-01-13 16:48:22.000000000 -0500
+++ foo.h	2009-01-13 16:48:18.000000000 -0500
@@ -3,4 +3,8 @@

+#ifdef FOOBAR
+#define foo
+#endif
+
 #endif /* FOO_H */
====================

$ scripts/checkpatch.pl foo.diff 
Can't use an undefined value as an ARRAY reference at
scripts/checkpatch.pl line 453.

Apparently, the last #endif causes some data to be popped from the stack
for preprocessor directives.  However, the corresponding #ifdef is
outside the patch, so this fails.

-- 
Regards,
Pavel Roskin
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