On Thu, May 17, 2018 at 8:03 PM, Guido Kiener <guido@xxxxxxxxxxxxxxxxxx> wrote:
> Add ioctls USBTMC_IOCTL_GET_TIMEOUT / USBTMC_IOCTL_SET_TIMEOUT to
> get/set I/O timeout for specific file handle.
> +static int usbtmc_ioctl_get_timeout(struct usbtmc_file_data *file_data,
> + void __user *arg)
> +{
> + __u32 timeout;
> +
> + timeout = file_data->timeout;
Why do you need __u32 on kernel side?
Would plain u32 work?
> +
> + return put_user(timeout, (__u32 __user *)arg);
> +}
> +static int usbtmc_ioctl_set_timeout(struct usbtmc_file_data *file_data,
> + void __user *arg)
> +{
> + __u32 timeout;
Ditto.
> + return 0;
> +}
--
With Best Regards,
Andy Shevchenko
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