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Commit 0f6187db authored by Wei Yongjun's avatar Wei Yongjun Committed by Shaohua Li
Browse files

md-cluster: fix error return code in join() 



Fix to return error code -ENOMEM from the lockres_init() error
handling case instead of 0, as done elsewhere in this function.

Signed-off-by: default avatarWei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: default avatarShaohua Li <shli@fb.com>
parent 486b0f7b

drivers/md/md-cluster.c

+9 −3
Original line number Diff line number Diff line
@@ -834,8 +834,10 @@ static int join(struct mddev *mddev, int nodes) 
		goto err;

	}

	cinfo->ack_lockres = lockres_init(mddev, "ack", ack_bast, 0);

	if (!cinfo->ack_lockres)

	if (!cinfo->ack_lockres) {

		ret = -ENOMEM;

		goto err;

	}

	/* get sync CR lock on ACK. */

	if (dlm_lock_sync(cinfo->ack_lockres, DLM_LOCK_CR))

		pr_err("md-cluster: failed to get a sync CR lock on ACK!(%d)\n",
@@ -849,8 +851,10 @@ static int join(struct mddev *mddev, int nodes) 
	pr_info("md-cluster: Joined cluster %s slot %d\n", str, cinfo->slot_number);

	snprintf(str, 64, "bitmap%04d", cinfo->slot_number - 1);

	cinfo->bitmap_lockres = lockres_init(mddev, str, NULL, 1);

	if (!cinfo->bitmap_lockres)

	if (!cinfo->bitmap_lockres) {

		ret = -ENOMEM;

		goto err;

	}

	if (dlm_lock_sync(cinfo->bitmap_lockres, DLM_LOCK_PW)) {

		pr_err("Failed to get bitmap lock\n");

		ret = -EINVAL;
@@ -858,8 +862,10 @@ static int join(struct mddev *mddev, int nodes) 
	}



	cinfo->resync_lockres = lockres_init(mddev, "resync", NULL, 0);

	if (!cinfo->resync_lockres)

	if (!cinfo->resync_lockres) {

		ret = -ENOMEM;

		goto err;

	}



	return 0;

err: