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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>
hifive-unleashed-5.1
Joseph Qi 2014-05-22 11:54:22 -07:00 committed by Linus Torvalds
parent 3e030ecc0f
commit 66db6cfd49
1 changed files with 6 additions and 2 deletions
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8
fs/ocfs2/dlm/dlmmaster.c
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@ -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)