Re: [PATCH 1 15/25] hpsa: enhance hpsa_get_device_id

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> On Oct 28, 2015, at 5:06 PM, Don Brace <don.brace@xxxxxxxx> wrote:
> 
> use an index into vpd data for SAS/SATA drives
> 
> Reviewed-by: Scott Teel <scott.teel@xxxxxxxx>
> Reviewed-by: Justin Lindley <justin.lindley@xxxxxxxx>
> Reviewed-by: Kevin Barnett <kevin.barnett@xxxxxxxx>
> Signed-off-by: Don Brace <don.brace@xxxxxxxx>
> ---
> drivers/scsi/hpsa.c |   23 ++++++++++++++++++++---
> 1 file changed, 20 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c
> index c1b053f..1361414 100644
> --- a/drivers/scsi/hpsa.c
> +++ b/drivers/scsi/hpsa.c
> @@ -3137,7 +3137,7 @@ out:
> 
> /* Get the device id from inquiry page 0x83 */
> static int hpsa_get_device_id(struct ctlr_info *h, unsigned char *scsi3addr,
> -	unsigned char *device_id, int buflen)
> +	unsigned char *device_id, int index, int buflen)
> {
> 	int rc;
> 	unsigned char *buf;
> @@ -3149,8 +3149,10 @@ static int hpsa_get_device_id(struct ctlr_info *h, unsigned char *scsi3addr,
> 		return -ENOMEM;
> 	rc = hpsa_scsi_do_inquiry(h, scsi3addr, VPD_PAGE | 0x83, buf, 64);
> 	if (rc == 0)
> -		memcpy(device_id, &buf[8], buflen);
> +		memcpy(device_id, &buf[index], buflen);
> +
> 	kfree(buf);
> +
> 	return rc != 0;
> }
> 
> @@ -3379,6 +3381,18 @@ static int hpsa_device_supports_aborts(struct ctlr_info *h,
> 	return rc;
> }
> 
> +static void sanitize_inquiry_string(unsigned char *s, int len)
> +{
> +	bool terminated = false;
> +
> +	for (; len > 0; (--len, ++s)) {
> +		if (*s == 0)
> +			terminated = true;
> +		if (terminated || *s < 0x20 || *s > 0x7e)
> +			*s = ' ';
> +	}
> +}
> +

Perhaps in a future commit the version in scsi_scan can be exported and this duplication
can be eliminated.

Reviewed-by: Matthew R. Ochs <mrochs@xxxxxxxxxxxxxxxxxx>

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