From mboxrd@z Thu Jan 1 00:00:00 1970 From: Joseph Qi Date: Wed, 14 May 2014 18:59:33 +0800 Subject: [Ocfs2-devel] [PATCH] ocfs2: fix double kmem_cache_destroy in dlm_init Message-ID: <53734C95.4040300@huawei.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: ocfs2-devel@oss.oracle.com In dlm_init, if create dlm_lockname_cache failed in dlm_init_master_caches, it will destroy dlm_lockres_cache which created before twice. And this will cause system die when loading modules. Signed-off-by: Joseph Qi --- fs/ocfs2/dlm/dlmmaster.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/fs/ocfs2/dlm/dlmmaster.c b/fs/ocfs2/dlm/dlmmaster.c index af3f7aa..ee1f884 100644 --- a/fs/ocfs2/dlm/dlmmaster.c +++ b/fs/ocfs2/dlm/dlmmaster.c @@ -472,11 +472,15 @@ bail: void dlm_destroy_master_caches(void) { - if (dlm_lockname_cache) + if (dlm_lockname_cache) { kmem_cache_destroy(dlm_lockname_cache); + dlm_lockname_cache = NULL; + } - if (dlm_lockres_cache) + if (dlm_lockres_cache) { kmem_cache_destroy(dlm_lockres_cache); + dlm_lockres_cache = NULL; + } } static void dlm_lockres_release(struct kref *kref) -- 1.8.4.3