Re: [RFC PATCH 1/5] libfcoe, fcoe: Allow user to set a ctlr's mode

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



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.
--
To unsubscribe from this list: send the line "unsubscribe linux-scsi" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html


[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Index of Archives]     [SCSI Target Devel]     [Linux SCSI Target Infrastructure]     [Kernel Newbies]     [IDE]     [Security]     [Git]     [Netfilter]     [Bugtraq]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Linux ATA RAID]     [Linux IIO]     [Samba]     [Device Mapper]
  Powered by Linux