Re: [PATCH 10/24] scsi: introduce set_status_byte()

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On Mon, 21 Oct 2019, Hannes Reinecke wrote:

> To be in-line with the other set_XX_byte() functions.
> 
> Signed-off-by: Hannes Reinecke <hare@xxxxxxx>
> ---
>  include/scsi/scsi_cmnd.h | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/include/scsi/scsi_cmnd.h b/include/scsi/scsi_cmnd.h
> index 91bd749a02f7..6932d91472d5 100644
> --- a/include/scsi/scsi_cmnd.h
> +++ b/include/scsi/scsi_cmnd.h
> @@ -307,6 +307,11 @@ static inline struct scsi_data_buffer *scsi_prot(struct scsi_cmnd *cmd)
>  #define scsi_for_each_prot_sg(cmd, sg, nseg, __i)		\
>  	for_each_sg(scsi_prot_sglist(cmd), sg, nseg, __i)
>  
> +static inline void set_status_byte(struct scsi_cmnd *cmd, char status)
> +{
> +	cmd->result = (cmd->result & 0xffffff00) | status;

Is sign-extension desirable here? Do callers need it?

-- 

> +}
> +
>  static inline void set_msg_byte(struct scsi_cmnd *cmd, char status)
>  {
>  	cmd->result = (cmd->result & 0xffff00ff) | (status << 8);
> 



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