Re: [PATCH] ublk_drv: use flexible-array member instead of zero-length array

From: Ming Lei
Date: Wed Oct 19 2022 - 21:29:50 EST


On Tue, Oct 18, 2022 at 6:02 PM <zys.zljxml@xxxxxxxxx> wrote:
>
> From: Yushan Zhou <katrinzhou@xxxxxxxxxxx>
>
> Eliminate the following coccicheck warning:
> ./drivers/block/ublk_drv.c:127:16-19: WARNING use flexible-array member instead
>
> Signed-off-by: Yushan Zhou <katrinzhou@xxxxxxxxxxx>
> ---
> drivers/block/ublk_drv.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/block/ublk_drv.c b/drivers/block/ublk_drv.c
> index 2651bf41dde3..5afce6ffaadf 100644
> --- a/drivers/block/ublk_drv.c
> +++ b/drivers/block/ublk_drv.c
> @@ -124,7 +124,7 @@ struct ublk_queue {
> bool force_abort;
> unsigned short nr_io_ready; /* how many ios setup */
> struct ublk_device *dev;
> - struct ublk_io ios[0];
> + struct ublk_io ios[];
> };
>
> #define UBLK_DAEMON_MONITOR_PERIOD (5 * HZ)

Reviewed-by: Ming Lei <ming.lei@xxxxxxxxxx>

Thanks,
Ming