On 10/28/2015 11:04 PM, Don Brace wrote:
> Check for NULLs.
> 
> Signed-off-by: Don Brace <[email protected]>
> ---
>  drivers/scsi/hpsa.c |    6 ++++++
>  drivers/scsi/hpsa.h |    2 +-
>  2 files changed, 7 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c
> index 864fb03..6b6e9bb 100644
> --- a/drivers/scsi/hpsa.c
> +++ b/drivers/scsi/hpsa.c
> @@ -1139,6 +1139,12 @@ static int hpsa_find_target_lun(struct ctlr_info *h,
>  static inline void hpsa_show_dev_msg(const char *level, struct ctlr_info *h,
>       struct hpsa_scsi_dev_t *dev, char *description)
>  {
> +     if (dev == NULL)
> +             return;
> +
> +     if (h == NULL || h->pdev == NULL || h->scsi_host == NULL)
> +             return;
> +
>       dev_printk(level, &h->pdev->dev,
>                       "scsi %d:%d:%d:%d: %s %s %.8s %.16s RAID-%s 
> SSDSmartPathCap%c En%c Exp=%d\n",
>                       h->scsi_host->host_no, dev->bus, dev->target, dev->lun,
> diff --git a/drivers/scsi/hpsa.h b/drivers/scsi/hpsa.h
> index 27debb3..d6c4ebf 100644
> --- a/drivers/scsi/hpsa.h
> +++ b/drivers/scsi/hpsa.h
> @@ -34,7 +34,7 @@ struct access_method {
>  };
>  
>  struct hpsa_scsi_dev_t {
> -     int devtype;
> +     unsigned int devtype;
>       int bus, target, lun;           /* as presented to the OS */
>       unsigned char scsi3addr[8];     /* as presented to the HW */
>  #define RAID_CTLR_LUNID "\0\0\0\0\0\0\0\0"
> 
That's not really a check for NULL, isn't it?
Should rather be moved into an individual patch.

Cheers,

Hannes
-- 
Dr. Hannes Reinecke                   zSeries & Storage
[email protected]                          +49 911 74053 688
SUSE LINUX Products GmbH, Maxfeldstr. 5, 90409 Nürnberg
GF: J. Hawn, J. Guild, F. Imendörffer, HRB 16746 (AG Nürnberg)
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