nbd: nbd_reset() call in nbd_dev_add() is redundant

There is nothing to clear -- nbd_device has just been allocated.
Fold nbd_reset() into its other caller, nbd_config_put().

Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Reviewed-by: Josef Bacik <jbacik@fb.com>
Signed-off-by: Jens Axboe <axboe@fb.com>

diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c
index 9a7bb2c..e725d8d 100644 (file)
--- a/drivers/block/nbd.c
+++ b/drivers/block/nbd.c
@@ -937,14 +937,6 @@ static int nbd_reconnect_socket(struct nbd_device *nbd, unsigned long arg)
        return -ENOSPC;
 }
 
-/* Reset all properties of an NBD device */
-static void nbd_reset(struct nbd_device *nbd)
-{
-       nbd->config = NULL;
-       nbd->tag_set.timeout = 0;
-       queue_flag_clear_unlocked(QUEUE_FLAG_DISCARD, nbd->disk->queue);
-}
-
 static void nbd_bdev_reset(struct block_device *bdev)
 {
        if (bdev->bd_openers > 1)
@@ -1029,7 +1021,10 @@ static void nbd_config_put(struct nbd_device *nbd)
                        }
                        kfree(config->socks);
                }
-               nbd_reset(nbd);
+               nbd->config = NULL;
+
+               nbd->tag_set.timeout = 0;
+               queue_flag_clear_unlocked(QUEUE_FLAG_DISCARD, nbd->disk->queue);
 
                mutex_unlock(&nbd->config_lock);
                nbd_put(nbd);
@@ -1483,7 +1478,6 @@ static int nbd_dev_add(int index)
        disk->fops = &nbd_fops;
        disk->private_data = nbd;
        sprintf(disk->disk_name, "nbd%d", index);
-       nbd_reset(nbd);
        add_disk(disk);
        nbd_total_devices++;
        return index;