]> www.pilppa.org Git - linux-2.6-omap-h63xx.git/commit
[JFFS2] Add missing call to posix_acl_release
authorJulia Lawall <julia@diku.dk>
Sun, 6 Jan 2008 16:50:34 +0000 (17:50 +0100)
committerDavid Woodhouse <dwmw2@infradead.org>
Tue, 8 Jan 2008 07:48:58 +0000 (07:48 +0000)
commit36f97bc617e2c31d16b74e89cd2406de4d24ede5
tree75df74dfe36f1dc1521bbccbc1f2b7e6b29c76e9
parent71053fb1c645e86feb48051d6a4c58b8f2b26806
[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>
fs/jffs2/acl.c