diff -ur 1817/linux/linux/drivers/usb/printer.c 1819/linux/linux/drivers/usb/printer.c
--- 1817/linux/linux/drivers/usb/printer.c	2004-05-04 05:43:31.000000000 +0400
+++ 1819/linux/linux/drivers/usb/printer.c	2004-08-26 10:27:20.000000000 +0400
@@ -527,6 +527,7 @@
 	int minor = MINOR(inode->i_rdev) - USBLP_MINOR_BASE;
 	struct usblp *usblp;
 	int retval;
+	unsigned int arg = NULL, ioctl_retval; //Added by PaN
 
 	if (minor < 0 || minor >= USBLP_MINORS)
 		return -ENODEV;
@@ -572,6 +573,12 @@
 			file->private_data = NULL;
 		}
 	}
+
+	/* Added by PaN */
+	if ((ioctl_retval=usblp_ioctl(inode, file, LPGETID, arg)) <0)
+	{
+		// Update device id failed
+	}	
 out:
 	unlock_kernel();
 	return retval;
@@ -581,7 +588,12 @@
 {
 	devfs_unregister (usblp->devfs);
 	usblp_table [usblp->minor] = NULL;
-	info("usblp%d: removed", usblp->minor);
+	//info("usblp%d: removed", usblp->minor);
+
+	/* Added by PaN */
+	remove_proc_entry("usblpid", usblp_dir);
+	remove_proc_entry(MODULE_NAME, NULL);
+	/* End PaN */
 
 	kfree (usblp->writebuf);
 	kfree (usblp->readbuf);
@@ -1085,8 +1097,9 @@
 			/* if the fault was due to disconnect, let khubd's
 			 * call to usblp_disconnect() grab usblp->sem ...
 			 */
-			schedule ();
-			continue;
+			return writecount; 	//Added by PaN
+			//schedule (); 		//Removed by PaN
+			//continue;	
 		}
 
 		writecount += usblp->writeurb->transfer_buffer_length;