On 09/11/12 00:59, Robert Love wrote:
> +static enum fip_conn_type fcoe_parse_mode(const char *buf,
> + const struct fcoe_ctlr_mode_table *tbl)
> +{
> + int modeint = -1, i, rv;
> + char *p, modestr[FCOE_MAX_MODENAME_LEN + 1] = { 0, };
> +
> + for (p = (char *)buf; *p; p++)
> + if (!(isdigit(*p) || isspace(*p)))
> + break;
If you change the declaration of p from "char *p" into "const char *p"
you won't need a cast in the above for loop.
[ ... ]
> -static FCOE_DEVICE_ATTR(ctlr, mode, S_IRUGO,
> - show_ctlr_mode, NULL);
> +
> +static ssize_t store_ctlr_mode(struct device *dev,
> + struct device_attribute *attr,
> + const char *buf, size_t count)
> +{
> + struct fcoe_ctlr_device *ctlr = dev_to_ctlr(dev);
> +
> + if (!ctlr->f->set_fcoe_ctlr_mode)
> + return -EINVAL;
> +
> + ctlr->mode = fcoe_parse_mode(buf, ctlr_mode_tbl);
As far as I know sysfs doesn't terminate buf with a '\0' before calling
a store method. Does that mean that you are passing a string that is not
'\0'-terminated to a function that expects a '\0'-terminated string ?
Bart.
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