linux-kernel - [PATCH 4/5] checkpatch: fix __attribute_

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Date:	Mon, 21 Sep 2009 19:14:50 -0700
From:	Daniel Walker <dwalker@...o99.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Andy Whitcroft <apw@...onical.com>, linux-kernel@...r.kernel.org,
	Daniel Walker <dwalker@...o99.com>
Subject: [PATCH 4/5] checkpatch: fix __attribute__ matching

In the following code,

union thread_union init_thread_union
	__attribute__((__section__(".data.init_task"))) =
		{ INIT_THREAD_INFO(init_task) };

There is a non-conforming declaration. It should really be like the
following,

union thread_union init_thread_union
	__attribute__((__section__(".data.init_task"))) = {
		INIT_THREAD_INFO(init_task)
};

However, checkpatch doesn't catch this right now because it doesn't
correctly evaluate the "__attribute__". I just fixed it to pattern
match the attribute in the case above.

Signed-off-by: Daniel Walker <dwalker@...o99.com>
---
 scripts/checkpatch.pl |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index c7f741f..fd4fe03 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -134,7 +134,7 @@ our $Attribute	= qr{
 			____cacheline_aligned|
 			____cacheline_aligned_in_smp|
 			____cacheline_internodealigned_in_smp|
-			__weak
+			__weak|(?:__attribute__\(.*\))
 		  }x;
 our $Modifier;
 our $Inline	= qr{inline|__always_inline|noinline};
@@ -1628,7 +1628,7 @@ sub process {
 		}
 
 # check for initialisation to aggregates open brace on the next line
-		if ($prevline =~ /$Declare\s*$Ident\s*=\s*$/ &&
+		if (($prevline =~ /$Declare\s*$Ident\s*=\s*$/ || $prevline =~ /$Attribute\s*=\s*$/) &&
 		    $line =~ /^.\s*{/) {
 			ERROR("that open brace { should be on the previous line\n" . $hereprev);
 		}
-- 
1.5.6.3

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