On Tue, Jan 14, K. Y. Srinivasan wrote: This function should return valid numbers: > +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; Should be an error. > + > + if (copy_from_user(&error, buf, sizeof(int))) > + return -EFAULT; > + > + if (in_hand_shake) { > + fcopy_handle_handshake(); > + return 0; Should be sizeof(int). > + } > + > + /* > + * Complete the transaction by forwarding the result > + * to the host. But first, cancel the timeout. > + */ > + if (cancel_delayed_work_sync(&fcopy_work)) > + fcopy_respond_to_host(error); > + > + return sizeof(int); > +} _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel