diff --git a/drivers/vhost/tcm_vhost.c b/drivers/vhost/tcm_vhost.c
index 9951297..79d3aea 100644
--- a/drivers/vhost/tcm_vhost.c
+++ b/drivers/vhost/tcm_vhost.c
@@ -850,7 +850,7 @@
 	for (index = 0; index < vs->dev.nvqs; ++index) {
 		if (!vhost_vq_access_ok(&vs->vqs[index])) {
 			ret = -EFAULT;
-			goto err;
+			goto err_dev;
 		}
 	}
 	for (i = 0; i < VHOST_SCSI_MAX_TARGET; i++) {
@@ -860,10 +860,11 @@
 		if (!tv_tpg)
 			continue;
 
+		mutex_lock(&tv_tpg->tv_tpg_mutex);
 		tv_tport = tv_tpg->tport;
 		if (!tv_tport) {
 			ret = -ENODEV;
-			goto err;
+			goto err_tpg;
 		}
 
 		if (strcmp(tv_tport->tport_name, t->vhost_wwpn)) {
@@ -872,16 +873,19 @@
 				tv_tport->tport_name, tv_tpg->tport_tpgt,
 				t->vhost_wwpn, t->vhost_tpgt);
 			ret = -EINVAL;
-			goto err;
+			goto err_tpg;
 		}
 		tv_tpg->tv_tpg_vhost_count--;
 		vs->vs_tpg[target] = NULL;
 		vs->vs_endpoint = false;
+		mutex_unlock(&tv_tpg->tv_tpg_mutex);
 	}
 	mutex_unlock(&vs->dev.mutex);
 	return 0;
 
-err:
+err_tpg:
+	mutex_unlock(&tv_tpg->tv_tpg_mutex);
+err_dev:
 	mutex_unlock(&vs->dev.mutex);
 	return ret;
 }