linux-kernel - [PATCH 3.18 112/150] scripts/kernel-doc: dont eat struct members with _

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Message-Id: <20150114072100.935696112@linuxfoundation.org>
Date:	Tue, 13 Jan 2015 23:23:03 -0800
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	stable@...r.kernel.org, Johannes Berg <johannes.berg@...el.com>,
	Nishanth Menon <nm@...com>,
	Randy Dunlap <rdunlap@...radead.org>,
	Michal Marek <mmarek@...e.cz>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>
Subject: [PATCH 3.18 112/150] scripts/kernel-doc: dont eat struct members with __aligned

3.18-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Johannes Berg <johannes.berg@...el.com>

commit 7b990789a4c3420fa57596b368733158e432d444 upstream.

The change from \d+ to .+ inside __aligned() means that the following
structure:

  struct test {
        u8 a __aligned(2);
        u8 b __aligned(2);
  };

essentially gets modified to

  struct test {
        u8 a;
  };

for purposes of kernel-doc, thus dropping a struct member, which in
turns causes warnings and invalid kernel-doc generation.

Fix this by replacing the catch-all (".") with anything that's not a
semicolon ("[^;]").

Fixes: 9dc30918b23f ("scripts/kernel-doc: handle struct member __aligned without numbers")
Signed-off-by: Johannes Berg <johannes.berg@...el.com>
Cc: Nishanth Menon <nm@...com>
Cc: Randy Dunlap <rdunlap@...radead.org>
Cc: Michal Marek <mmarek@...e.cz>
Signed-off-by: Andrew Morton <akpm@...ux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@...ux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 scripts/kernel-doc |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/scripts/kernel-doc
+++ b/scripts/kernel-doc
@@ -1753,7 +1753,7 @@ sub dump_struct($$) {
 	# strip kmemcheck_bitfield_{begin,end}.*;
 	$members =~ s/kmemcheck_bitfield_.*?;//gos;
 	# strip attributes
-	$members =~ s/__aligned\s*\(.+\)//gos;
+	$members =~ s/__aligned\s*\([^;]*\)//gos;
 
 	create_parameterlist($members, ';', $file);
 	check_sections($file, $declaration_name, "struct", $sectcheck, $struct_actual, $nested);


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