dlm_mig_lockres_handler() is missing a dlm_lockres_put() on an error path.
Signed-off-by: joyce <xuejiufei@huawei.com>
Reviewed-by: shencanquan <shencanquan@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>
                                     mres->lockname_len, mres->lockname);
                                ret = -EFAULT;
                                spin_unlock(&res->spinlock);
+                               dlm_lockres_put(res);
                                goto leave;
                        }
                        res->state |= DLM_LOCK_RES_MIGRATING;