On 02/13/14 11:28, Hannes Reinecke wrote:
>  static ssize_t
> -show_iostat_counterbits(struct device *dev, struct device_attribute *attr,   
>                         char *buf)
> +show_vpd_pg(const unsigned char *pg_buf, int pg_len, char *buf)
> +{
> +     int len = 0, i;
> +
> +     if (!pg_buf)
> +             return -EINVAL;
> +
> +     len = 0;
> +     for (i = 0; i < pg_len; i += 16) {
> +             hex_dump_to_buffer(pg_buf + i, pg_len, 16, 1,
> +                                buf + len, PAGE_SIZE, false);
> +             strcat(buf + len, "\n");
> +             len += strlen(buf + len);
> +     }
> +     return len;
> +}

It might be a good idea to add the output buffer length as an argument
in show_vpd_pg() and to check explicitly whether or not there is
sufficient space left in the output buffer.

Bart.
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