From 4d25fa576338d70bd5aceeb89e06d788fb0ac761 Mon Sep 17 00:00:00 2001 From: Sunil Mushran Date: Mon, 7 Jul 2008 10:06:29 -0700 Subject: [PATCH] [PATCH] ocfs2/dlm: Fixes oops in dlm_new_lockres() 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 909236f697b86a87d7eda68f09dc9151a7b84b1f. Signed-off-by: Sunil Mushran Signed-off-by: Mark Fasheh --- fs/ocfs2/dlm/dlmmaster.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/fs/ocfs2/dlm/dlmmaster.c b/fs/ocfs2/dlm/dlmmaster.c index efc015c6128ae..44f87caf36834 100644 --- a/fs/ocfs2/dlm/dlmmaster.c +++ b/fs/ocfs2/dlm/dlmmaster.c @@ -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)); -- 2.39.5