src/patches/suse-2.6.27.31/patches.fixes/ocfs2-initialize-stack_user-lvbptr.patch

   1 From: David Teigland <teigland@redhat.com>
   2 Date: Mon, 10 Nov 2008 16:24:57 -0600
   3 Subject: ocfs2: initialize stack_user lvbptr
   4
   5 The locking_state dump, ocfs2_dlm_seq_show, reads the lvb on locks where it
   6 has not yet been initialized by a lock call.
   7
   8 Signed-off-by: David Teigland <teigland@redhat.com>
   9 Acked-by: Joel Becker <joel.becker@oracle.com>
  10 Signed-off-by: Mark Fasheh <mfasheh@suse.com>
  11 ---
  12  fs/ocfs2/stack_user.c |    3 +++
  13  1 files changed, 3 insertions(+), 0 deletions(-)
  14
  15 Index: linux-2.6.27-ocfs2/fs/ocfs2/stack_user.c
  16 ===================================================================
  17 --- linux-2.6.27-ocfs2.orig/fs/ocfs2/stack_user.c
  18 +++ linux-2.6.27-ocfs2/fs/ocfs2/stack_user.c
  19 @@ -740,6 +740,9 @@ static int user_dlm_lock_status(union oc
  20
  21  static void *user_dlm_lvb(union ocfs2_dlm_lksb *lksb)
  22  {
  23 +       if (!lksb->lksb_fsdlm.sb_lvbptr)
  24 +               lksb->lksb_fsdlm.sb_lvbptr = (char *)lksb +
  25 +                                            sizeof(struct dlm_lksb);
  26         return (void *)(lksb->lksb_fsdlm.sb_lvbptr);
  27  }
  28