+ ocfs2-drop-a-vla-in-ocfs2_orphan_del.patch added to -mm tree

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The patch titled
     Subject: ocfs2: drop a VLA in ocfs2_orphan_del()
has been added to the -mm tree.  Its filename is
     ocfs2-drop-a-vla-in-ocfs2_orphan_del.patch

This patch should soon appear at
    http://ozlabs.org/~akpm/mmots/broken-out/ocfs2-drop-a-vla-in-ocfs2_orphan_del.patch
and later at
    http://ozlabs.org/~akpm/mmotm/broken-out/ocfs2-drop-a-vla-in-ocfs2_orphan_del.patch

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------------------------------------------------------
From: Salvatore Mesoraca <s.mesoraca16@xxxxxxxxx>
Subject: ocfs2: drop a VLA in ocfs2_orphan_del()

Avoid a VLA by using a real constant expression instead of a variable. 
The compiler should be able to optimize the original code and avoid using
an actual VLA.  Anyway this change is useful because it will avoid a false
positive with -Wvla, it might also help the compiler generating better
code.

Link: http://lkml.kernel.org/r/1520970710-19732-1-git-send-email-s.mesoraca16@xxxxxxxxx
Signed-off-by: Salvatore Mesoraca <s.mesoraca16@xxxxxxxxx>
Reviewed-by: Kees Cook <keescook@xxxxxxxxxxxx>
Reviewed-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Cc: Mark Fasheh <mark@xxxxxxxxxx>
Cc: Joel Becker <jlbec@xxxxxxxxxxxx>
Cc: Junxiao Bi <junxiao.bi@xxxxxxxxxx>
Cc: Joseph Qi <jiangqi903@xxxxxxxxx>
Cc: Changwei Ge <ge.changwei@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---

 fs/ocfs2/namei.c |    3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff -puN fs/ocfs2/namei.c~ocfs2-drop-a-vla-in-ocfs2_orphan_del fs/ocfs2/namei.c
--- a/fs/ocfs2/namei.c~ocfs2-drop-a-vla-in-ocfs2_orphan_del
+++ a/fs/ocfs2/namei.c
@@ -2332,8 +2332,7 @@ int ocfs2_orphan_del(struct ocfs2_super
 		     struct buffer_head *orphan_dir_bh,
 		     bool dio)
 {
-	const int namelen = OCFS2_DIO_ORPHAN_PREFIX_LEN + OCFS2_ORPHAN_NAMELEN;
-	char name[namelen + 1];
+	char name[OCFS2_DIO_ORPHAN_PREFIX_LEN + OCFS2_ORPHAN_NAMELEN + 1];
 	struct ocfs2_dinode *orphan_fe;
 	int status = 0;
 	struct ocfs2_dir_lookup_result lookup = { NULL, };
_

Patches currently in -mm which might be from s.mesoraca16@xxxxxxxxx are

ocfs2-drop-a-vla-in-ocfs2_orphan_del.patch
namei-allow-restricted-o_creat-of-fifos-and-regular-files.patch
namei-allow-restricted-o_creat-of-fifos-and-regular-files-fix.patch

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