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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