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ocfs2: initialize stack_user lvbptr

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The locking_state dump, ocfs2_dlm_seq_show, reads the lvb on locks where it
has not yet been initialized by a lock call.

Signed-off-by: David Teigland <[email protected]>
Acked-by: Joel Becker <[email protected]>
Signed-off-by: Mark Fasheh <[email protected]>
This commit is contained in:
David Teigland 2008-11-10 16:24:57 -06:00 • committed by Mark Fasheh
commit 66f502a416
1 changed files with 3 additions and 0 deletions
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3
fs/ocfs2/stack_user.c
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@ -740,6 +740,9 @@ static int user_dlm_lock_status(union ocfs2_dlm_lksb *lksb)
static void *user_dlm_lvb(union ocfs2_dlm_lksb *lksb)
{
if (!lksb->lksb_fsdlm.sb_lvbptr)
lksb->lksb_fsdlm.sb_lvbptr = (char *)lksb +
sizeof(struct dlm_lksb);
return (void *)(lksb->lksb_fsdlm.sb_lvbptr);
}