From 3fca0894a4b5e52c278421b04435b88e32b423ad Mon Sep 17 00:00:00 2001 From: Sunil Mushran Date: Mon, 12 Mar 2007 13:24:34 -0700 Subject: [PATCH] ocfs2_dlm: Missing get/put lockres in dlm_run_purge_lockres In some circumstances, this was causing us to reference freed memory. Signed-off-by: Sunil Mushran Signed-off-by: Mark Fasheh --- fs/ocfs2/dlm/dlmthread.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/fs/ocfs2/dlm/dlmthread.c b/fs/ocfs2/dlm/dlmthread.c index 8ffa091..6421a8f 100644 --- a/fs/ocfs2/dlm/dlmthread.c +++ b/fs/ocfs2/dlm/dlmthread.c @@ -265,8 +265,10 @@ static void dlm_run_purge_list(struct dlm_ctxt *dlm, /* This may drop and reacquire the dlm spinlock if it * has to do migration. */ mlog(0, "calling dlm_purge_lockres!\n"); + dlm_lockres_get(lockres); if (dlm_purge_lockres(dlm, lockres)) BUG(); + dlm_lockres_put(lockres); mlog(0, "DONE calling dlm_purge_lockres!\n"); /* Avoid adding any scheduling latencies */ -- 2.7.4