On Thu, Sep 16, 2021 at 05:33:46PM +0800, Yu Kuai wrote:
> The sock that clent send request in nbd_send_cmd() and receive reply
> in nbd_read_stat() should be the same.
>
> Signed-off-by: Yu Kuai <yukuai3@xxxxxxxxxx>
> ---
> drivers/block/nbd.c | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c
> index 614c6ab2b8fe..c724a5bd7fa4 100644
> --- a/drivers/block/nbd.c
> +++ b/drivers/block/nbd.c
> @@ -746,6 +746,10 @@ static struct nbd_cmd *nbd_read_stat(struct nbd_device *nbd, int index)
> ret = -ENOENT;
> goto out;
> }
> + if (cmd->index != index) {
> + dev_err(disk_to_dev(nbd->disk), "Unexpected reply %d from different sock %d (expected %d)",
> + tag, index, cmd->index);
> + }
> if (cmd->cmd_cookie != nbd_handle_to_cookie(handle)) {
> dev_err(disk_to_dev(nbd->disk), "Double reply on req %p, cmd_cookie %u, handle cookie %u\n",
> req, cmd->cmd_cookie, nbd_handle_to_cookie(handle));
> --
> 2.31.1
>
Reviewed-by: Ming Lei <ming.lei@xxxxxxxxxx>
--
Ming
