From 36f97bc617e2c31d16b74e89cd2406de4d24ede5 Mon Sep 17 00:00:00 2001
From: Julia Lawall <julia@diku.dk>
Date: Sun, 6 Jan 2008 17:50:34 +0100
Subject: [PATCH] [JFFS2] Add missing call to posix_acl_release

posix_acl_clone does a memory allocation and sets a reference count, so
posix_acl_release is needed afterwards to free it.

The problem was fixed using the following semantic patch.
(http://www.emn.fr/x-info/coccinelle/)

// <smpl>
@@
type T;
identifier E;
expression E1, E2;
int ret;
statement S;
@@

  T E;
  <+...
(
  E = \(posix_acl_clone\|posix_acl_alloc\|posix_acl_dup\)(...);
  if (E == NULL) S
|
  if ((E = \(posix_acl_clone\|posix_acl_alloc\|posix_acl_dup\)(...)) == NULL) S
)
  ... when != E2 = E
      when strict
(
  posix_acl_release(E);
|
  E1 = E;
|
+ posix_acl_release(E);
  return;
|
+ posix_acl_release(E);
  return ret;
)
  ...+>
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Acked-by: KaiGai Kohei <kaigai@ak.jp.nec.com>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
---
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