ublk: fix error code for unsupported command

ENOTSUPP is for kernel use only, and shouldn't be sent to userspace.

Fix it by replacing it with EOPNOTSUPP.

Cc: stable@vger.kernel.org
Fixes: bfbcef036396 ("ublk_drv: move ublk_get_device_from_id into ublk_ctrl_uring_cmd")
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Link: https://lore.kernel.org/r/20241119030646.2319030-1-ming.lei@redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --git a/drivers/block/ublk_drv.c b/drivers/block/ublk_drv.c
index c6d18cd8af44edbe2677690b8632a49c9d35e8e9..d4aed12dd436be4cdc1d70894ba657503dcf0d94 100644 (file)
--- a/drivers/block/ublk_drv.c
+++ b/drivers/block/ublk_drv.c
@@ -3041,7 +3041,7 @@ static int ublk_ctrl_uring_cmd(struct io_uring_cmd *cmd,
                ret = ublk_ctrl_end_recovery(ub, cmd);
                break;
        default:
-               ret = -ENOTSUPP;
+               ret = -EOPNOTSUPP;
                break;
        }