ocfs2: add missing lockres put in dlm_mig_lockres_handler

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>

Author: xuejiufei

fs/ocfs2/dlm/dlmrecovery.c

@@ -1408,6 +1408,7 @@ int dlm_mig_lockres_handler(struct o2net_msg *msg, u32 len, void *data,
  mres->lockname_len, mres->lockname);
 ret = -EFAULT;
 spin_unlock(&res->spinlock);
+dlm_lockres_put(res);
 goto leave;
 }
 res->state |= DLM_LOCK_RES_MIGRATING;