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[PATCH] ocfs2/dlm: Fixes oops in dlm_new_lockres()

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Patch fixes a race that can result in an oops while adding a
lockres to the dlm lockres tracking list.

Bug introduced by mainline commit 29576f8bb5.

Signed-off-by: Sunil Mushran <sunil.mushran@oracle.com>
Signed-off-by: Mark Fasheh <mfasheh@suse.com>
This commit is contained in:
Sunil Mushran 2008-07-07 10:06:29 -07:00 committed by Mark Fasheh
parent b2798bf0ec
commit 18c6ac383f
1 changed files with 2 additions and 0 deletions
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2
fs/ocfs2/dlm/dlmmaster.c
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@ -606,7 +606,9 @@ static void dlm_init_lockres(struct dlm_ctxt *dlm,
res->last_used = 0;
spin_lock(&dlm->spinlock);
list_add_tail(&res->tracking, &dlm->tracking_list);
spin_unlock(&dlm->spinlock);
memset(res->lvb, 0, DLM_LVB_LEN);
memset(res->refmap, 0, sizeof(res->refmap));