On Tue, Jan 14, K. Y. Srinivasan wrote:
> +static ssize_t fcopy_write(struct file *file, const char __user *buf,
> + size_t count, loff_t *ppos)
> +{
> + int error = 0;
> +
> + if (count != sizeof(int))
> + return 0;
> +
> + if (copy_from_user(&error, buf, sizeof(int)))
> + return -EFAULT;
> +
> + if (in_hand_shake) {
> + fcopy_handle_handshake();
> + return 0;
> + }
> + /*
> + * Register with the kernel.
> + */
> + write(fcopy_fd, &version, sizeof(int));
Shouldnt there be some version check already even in this initial
implementation? What if there will be a newer daemon running on an older
kernel?
Olaf
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