scsi: tcmu: refactor add_device cmd with new nl helpers

use new netlink events helpers tcmu_netlink_init() and
tcmu_netlink_send() to refactor netlink event TCMU_CMD_ADDED_DEVICE

Signed-off-by: Zhu Lingshan <lszhu@suse.com>
Acked-by: Mike Christie <mchristi@redhat.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

1 files changed, 16 insertions, 1 deletions

diff --git a/drivers/target/target_core_user.c b/drivers/target/target_core_user.c
index 82f424dcee98..b0e3f03f77ed 100644
--- a/drivers/target/target_core_user.c
+++ b/drivers/target/target_core_user.c
@@ -1716,6 +1716,21 @@ static int tcmu_netlink_event_send(struct tcmu_dev *udev,
         return ret;
 }
 
+static int tcmu_send_dev_add_event(struct tcmu_dev *udev)
+{
+        struct sk_buff *skb = NULL;
+        void *msg_header = NULL;
+        int ret = 0;
+
+        ret = tcmu_netlink_event_init(udev, TCMU_CMD_ADDED_DEVICE, &skb,
+                                      &msg_header);
+        if (ret < 0)
+                return ret;
+        return tcmu_netlink_event_send(udev, TCMU_CMD_ADDED_DEVICE, &skb,
+                                       &msg_header);
+
+}
+
 static int tcmu_update_uio_info(struct tcmu_dev *udev)
 {
         struct tcmu_hba *hba = udev->hba->hba_ptr;
@@ -1825,7 +1840,7 @@ static int tcmu_configure_device(struct se_device *dev)
          */
         kref_get(&udev->kref);
 
-        ret = tcmu_netlink_event(udev, TCMU_CMD_ADDED_DEVICE, 0, NULL);
+        ret = tcmu_send_dev_add_event(udev);
         if (ret)
                 goto err_netlink;