Re: [patch] scsi/qla2xxx: check for null consistently

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On 5/22/10 1:18 PM, "Dan Carpenter" <error27@xxxxxxxxx> wrote:

> We assume that "ha->cs84xx" can be null on the previous line, so we
> should check it here as well.
> 
> Signed-off-by: Dan Carpenter <error27@xxxxxxxxx>
> 
> diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c
> index 3b70860..ad22baa 100644
> --- a/drivers/scsi/qla2xxx/qla_attr.c
> +++ b/drivers/scsi/qla2xxx/qla_attr.c
> @@ -1211,7 +1211,7 @@ qla24xx_84xx_fw_version_show(struct device *dev,
>         if (ha->cs84xx && ha->cs84xx->op_fw_version == 0)
>                 rval = qla84xx_verify_chip(vha, status);
> 
> -       if ((rval == QLA_SUCCESS) && (status[0] == 0))
> +       if (ha->cs84xx && rval == QLA_SUCCESS && status[0] == 0)
>                 return snprintf(buf, PAGE_SIZE, "%u\n",
>                         (uint32_t)ha->cs84xx->op_fw_version);
> 

The checking for ha->cs84xx is redundant here since earlier check make sure
that this code does not execute for non ISP 84xx ISPs. I will cleanup and
resubmit the changes.


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