Re: [PATCH 1/4] dm rq: add a missing break to map_request

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On Mon, May 15 2017 at 11:28am -0400,
Christoph Hellwig <hch@xxxxxx> wrote:

> We don't want to bug when receiving a DM_MAPIO_KILL value..
> 
> Signed-off-by: Christoph Hellwig <hch@xxxxxx>
> ---
>  drivers/md/dm-rq.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/md/dm-rq.c b/drivers/md/dm-rq.c
> index 2af27026aa2e..b639fa7246ee 100644
> --- a/drivers/md/dm-rq.c
> +++ b/drivers/md/dm-rq.c
> @@ -507,6 +507,7 @@ static int map_request(struct dm_rq_target_io *tio)
>  	case DM_MAPIO_KILL:
>  		/* The target wants to complete the I/O */
>  		dm_kill_unmapped_request(rq, -EIO);
> +		break;
>  	default:
>  		DMWARN("unimplemented target map return value: %d", r);
>  		BUG();
> -- 
> 2.11.0
> 

Thanks, but I have no idea how this happened.  I specifically recall
fixing this very same issue (missing break).  Grr...

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