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| author | Joseph Qi <joseph.qi@huawei.com> | 2014-05-22 20:54:22 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-05-23 18:37:30 +0200 |
| commit | 66db6cfd49825f4e3462ceee3bcbb292d57da6fb (patch) | |
| tree | e1082bd92e171d338034f2ea31ef992f4ed7c331 | |
| parent | mm/memory-failure.c: fix memory leak by race between poison and unpoison (diff) | |
| download | linux-66db6cfd49825f4e3462ceee3bcbb292d57da6fb.tar.xz linux-66db6cfd49825f4e3462ceee3bcbb292d57da6fb.zip | |
ocfs2: fix double kmem_cache_destroy in dlm_init
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 <joseph.qi@huawei.com>
Cc: Mark Fasheh <mfasheh@suse.com>
Cc: Joel Becker <jlbec@evilplan.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | fs/ocfs2/dlm/dlmmaster.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/fs/ocfs2/dlm/dlmmaster.c b/fs/ocfs2/dlm/dlmmaster.c index af3f7aa73e13..ee1f88419cb0 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) |