diff --git a/drivers/usb/serial/aircable.c b/drivers/usb/serial/aircable.c
index 2cbdc8f230b8..365db1097bfd 100644
--- a/drivers/usb/serial/aircable.c
+++ b/drivers/usb/serial/aircable.c
@@ -468,10 +468,6 @@ static void aircable_read_bulk_callback(struct urb *urb)
 
 	if (status) {
 		dbg("%s - urb status = %d", __func__, status);
-		if (!port->port.count) {
-			dbg("%s - port is closed, exiting.", __func__);
-			return;
-		}
 		if (status == -EPROTO) {
 			dbg("%s - caught -EPROTO, resubmitting the urb",
 			    __func__);
@@ -530,23 +526,19 @@ static void aircable_read_bulk_callback(struct urb *urb)
 	}
 	tty_kref_put(tty);
 
-	/* Schedule the next read _if_ we are still open */
-	if (port->port.count) {
-		usb_fill_bulk_urb(port->read_urb, port->serial->dev,
-				  usb_rcvbulkpipe(port->serial->dev,
-					  port->bulk_in_endpointAddress),
-				  port->read_urb->transfer_buffer,
-				  port->read_urb->transfer_buffer_length,
-				  aircable_read_bulk_callback, port);
+	/* Schedule the next read */
+	usb_fill_bulk_urb(port->read_urb, port->serial->dev,
+			  usb_rcvbulkpipe(port->serial->dev,
+				  port->bulk_in_endpointAddress),
+			  port->read_urb->transfer_buffer,
+			  port->read_urb->transfer_buffer_length,
+			  aircable_read_bulk_callback, port);
 
-		result = usb_submit_urb(urb, GFP_ATOMIC);
-		if (result)
-			dev_err(&urb->dev->dev,
-				"%s - failed resubmitting read urb, error %d\n",
-				__func__, result);
-	}
-
-	return;
+	result = usb_submit_urb(urb, GFP_ATOMIC);
+	if (result && result != -EPERM)
+		dev_err(&urb->dev->dev,
+			"%s - failed resubmitting read urb, error %d\n",
+			__func__, result);
 }
 
 /* Based on ftdi_sio.c throttle */
diff --git a/drivers/usb/serial/cypress_m8.c b/drivers/usb/serial/cypress_m8.c
index 3a5d57f89dee..baf74b44e6ed 100644
--- a/drivers/usb/serial/cypress_m8.c
+++ b/drivers/usb/serial/cypress_m8.c
@@ -1321,9 +1321,9 @@ static void cypress_read_int_callback(struct urb *urb)
 continue_read:
 	tty_kref_put(tty);
 
-	/* Continue trying to always read... unless the port has closed. */
+	/* Continue trying to always read */
 
-	if (port->port.count > 0 && priv->comm_is_ok) {
+	if (priv->comm_is_ok) {
 		usb_fill_int_urb(port->interrupt_in_urb, port->serial->dev,
 				usb_rcvintpipe(port->serial->dev,
 					port->interrupt_in_endpointAddress),
@@ -1332,7 +1332,7 @@ continue_read:
 				cypress_read_int_callback, port,
 				priv->read_urb_interval);
 		result = usb_submit_urb(port->interrupt_in_urb, GFP_ATOMIC);
-		if (result) {
+		if (result && result != -EPERM) {
 			dev_err(&urb->dev->dev, "%s - failed resubmitting "
 					"read urb, error %d\n", __func__,
 					result);
diff --git a/drivers/usb/serial/digi_acceleport.c b/drivers/usb/serial/digi_acceleport.c
index 381722858424..68b0aa5e516c 100644
--- a/drivers/usb/serial/digi_acceleport.c
+++ b/drivers/usb/serial/digi_acceleport.c
@@ -1262,10 +1262,10 @@ static void digi_write_bulk_callback(struct urb *urb)
 		return;
 	}
 
-	/* try to send any buffered data on this port, if it is open */
+	/* try to send any buffered data on this port */
 	spin_lock(&priv->dp_port_lock);
 	priv->dp_write_urb_in_use = 0;
-	if (port->port.count && priv->dp_out_buf_len > 0) {
+	if (priv->dp_out_buf_len > 0) {
 		*((unsigned char *)(port->write_urb->transfer_buffer))
 			= (unsigned char)DIGI_CMD_SEND_DATA;
 		*((unsigned char *)(port->write_urb->transfer_buffer) + 1)
@@ -1288,7 +1288,7 @@ static void digi_write_bulk_callback(struct urb *urb)
 	schedule_work(&priv->dp_wakeup_work);
 
 	spin_unlock(&priv->dp_port_lock);
-	if (ret)
+	if (ret && ret != -EPERM)
 		dev_err(&port->dev,
 			"%s: usb_submit_urb failed, ret=%d, port=%d\n",
 			__func__, ret, priv->dp_port_num);
@@ -1353,8 +1353,7 @@ static int digi_open(struct tty_struct *tty, struct usb_serial_port *port)
 	struct digi_port *priv = usb_get_serial_port_data(port);
 	struct ktermios not_termios;
 
-	dbg("digi_open: TOP: port=%d, open_count=%d",
-		priv->dp_port_num, port->port.count);
+	dbg("digi_open: TOP: port=%d", priv->dp_port_num);
 
 	/* be sure the device is started up */
 	if (digi_startup_device(port->serial) != 0)
@@ -1393,8 +1392,7 @@ static void digi_close(struct usb_serial_port *port)
 	unsigned char buf[32];
 	struct digi_port *priv = usb_get_serial_port_data(port);
 
-	dbg("digi_close: TOP: port=%d, open_count=%d",
-		priv->dp_port_num, port->port.count);
+	dbg("digi_close: TOP: port=%d", priv->dp_port_num);
 
 	mutex_lock(&port->serial->disc_mutex);
 	/* if disconnected, just clear flags */
@@ -1629,7 +1627,7 @@ static void digi_read_bulk_callback(struct urb *urb)
 	/* continue read */
 	urb->dev = port->serial->dev;
 	ret = usb_submit_urb(urb, GFP_ATOMIC);
-	if (ret != 0) {
+	if (ret != 0 && ret != -EPERM) {
 		dev_err(&port->dev,
 			"%s: failed resubmitting urb, ret=%d, port=%d\n",
 			__func__, ret, priv->dp_port_num);
@@ -1662,7 +1660,7 @@ static int digi_read_inb_callback(struct urb *urb)
 
 	/* do not process callbacks on closed ports */
 	/* but do continue the read chain */
-	if (port->port.count == 0)
+	if (urb->status == -ENOENT)
 		return 0;
 
 	/* short/multiple packet check */
@@ -1767,8 +1765,7 @@ static int digi_read_oob_callback(struct urb *urb)
 
 		tty = tty_port_tty_get(&port->port);
 		rts = 0;
-		if (port->port.count)
-			rts = tty->termios->c_cflag & CRTSCTS;
+		rts = tty->termios->c_cflag & CRTSCTS;
 		
 		if (opcode == DIGI_CMD_READ_INPUT_SIGNALS) {
 			spin_lock(&priv->dp_port_lock);
diff --git a/drivers/usb/serial/generic.c b/drivers/usb/serial/generic.c
index 5288203d883f..89fac36684c5 100644
--- a/drivers/usb/serial/generic.c
+++ b/drivers/usb/serial/generic.c
@@ -20,6 +20,7 @@
 #include <linux/usb/serial.h>
 #include <linux/uaccess.h>
 #include <linux/kfifo.h>
+#include <linux/serial.h>
 
 static int debug;
 
@@ -585,7 +586,7 @@ int usb_serial_generic_resume(struct usb_serial *serial)
 
 	for (i = 0; i < serial->num_ports; i++) {
 		port = serial->port[i];
-		if (!port->port.count)
+		if (!test_bit(ASYNCB_INITIALIZED, &port->port.flags))
 			continue;
 
 		if (port->read_urb) {
diff --git a/drivers/usb/serial/ir-usb.c b/drivers/usb/serial/ir-usb.c
index c3e5d506aead..4a0f51974232 100644
--- a/drivers/usb/serial/ir-usb.c
+++ b/drivers/usb/serial/ir-usb.c
@@ -445,11 +445,6 @@ static void ir_read_bulk_callback(struct urb *urb)
 
 	dbg("%s - port %d", __func__, port->number);
 
-	if (!port->port.count) {
-		dbg("%s - port closed.", __func__);
-		return;
-	}
-
 	switch (status) {
 	case 0: /* Successful */
 		/*
diff --git a/drivers/usb/serial/keyspan.c b/drivers/usb/serial/keyspan.c
index f8c4b07033ff..297163c3c610 100644
--- a/drivers/usb/serial/keyspan.c
+++ b/drivers/usb/serial/keyspan.c
@@ -464,13 +464,9 @@ static void	usa26_indat_callback(struct urb *urb)
 
 	/* Resubmit urb so we continue receiving */
 	urb->dev = port->serial->dev;
-	if (port->port.count) {
-		err = usb_submit_urb(urb, GFP_ATOMIC);
-		if (err != 0)
-			dbg("%s - resubmit read urb failed. (%d)",
-					__func__, err);
-	}
-	return;
+	err = usb_submit_urb(urb, GFP_ATOMIC);
+	if (err != 0)
+		dbg("%s - resubmit read urb failed. (%d)", __func__, err);
 }
 
 /* Outdat handling is common for all devices */
@@ -483,8 +479,7 @@ static void	usa2x_outdat_callback(struct urb *urb)
 	p_priv = usb_get_serial_port_data(port);
 	dbg("%s - urb %d", __func__, urb == p_priv->out_urbs[1]);
 
-	if (port->port.count)
-		usb_serial_port_softint(port);
+	usb_serial_port_softint(port);
 }
 
 static void	usa26_inack_callback(struct urb *urb)
@@ -615,12 +610,10 @@ static void usa28_indat_callback(struct urb *urb)
 
 		/* Resubmit urb so we continue receiving */
 		urb->dev = port->serial->dev;
-		if (port->port.count) {
-			err = usb_submit_urb(urb, GFP_ATOMIC);
-			if (err != 0)
-				dbg("%s - resubmit read urb failed. (%d)",
-								__func__, err);
-		}
+		err = usb_submit_urb(urb, GFP_ATOMIC);
+		if (err != 0)
+			dbg("%s - resubmit read urb failed. (%d)",
+							__func__, err);
 		p_priv->in_flip ^= 1;
 
 		urb = p_priv->in_urbs[p_priv->in_flip];
@@ -856,12 +849,9 @@ static void	usa49_indat_callback(struct urb *urb)
 
 	/* Resubmit urb so we continue receiving */
 	urb->dev = port->serial->dev;
-	if (port->port.count) {
-		err = usb_submit_urb(urb, GFP_ATOMIC);
-		if (err != 0)
-			dbg("%s - resubmit read urb failed. (%d)",
-							__func__, err);
-	}
+	err = usb_submit_urb(urb, GFP_ATOMIC);
+	if (err != 0)
+		dbg("%s - resubmit read urb failed. (%d)", __func__, err);
 }
 
 static void usa49wg_indat_callback(struct urb *urb)
@@ -904,11 +894,7 @@ static void usa49wg_indat_callback(struct urb *urb)
 				/* no error on any byte */
 				i++;
 				for (x = 1; x < len ; ++x)
-					if (port->port.count)
-						tty_insert_flip_char(tty,
-								data[i++], 0);
-					else
-						i++;
+					tty_insert_flip_char(tty, data[i++], 0);
 			} else {
 				/*
 				 * some bytes had errors, every byte has status
@@ -922,14 +908,12 @@ static void usa49wg_indat_callback(struct urb *urb)
 					if (stat & RXERROR_PARITY)
 						flag |= TTY_PARITY;
 					/* XXX should handle break (0x10) */
-					if (port->port.count)
-						tty_insert_flip_char(tty,
+					tty_insert_flip_char(tty,
 							data[i+1], flag);
 					i += 2;
 				}
 			}
-			if (port->port.count)
-				tty_flip_buffer_push(tty);
+			tty_flip_buffer_push(tty);
 			tty_kref_put(tty);
 		}
 	}
@@ -1013,13 +997,9 @@ static void usa90_indat_callback(struct urb *urb)
 
 	/* Resubmit urb so we continue receiving */
 	urb->dev = port->serial->dev;
-	if (port->port.count) {
-		err = usb_submit_urb(urb, GFP_ATOMIC);
-		if (err != 0)
-			dbg("%s - resubmit read urb failed. (%d)",
-							__func__, err);
-	}
-	return;
+	err = usb_submit_urb(urb, GFP_ATOMIC);
+	if (err != 0)
+		dbg("%s - resubmit read urb failed. (%d)", __func__, err);
 }
 
 
@@ -2418,8 +2398,7 @@ static int keyspan_usa90_send_setup(struct usb_serial *serial,
 		msg.portEnabled = 0;
 	/* Sending intermediate configs */
 	else {
-		if (port->port.count)
-			msg.portEnabled = 1;
+		msg.portEnabled = 1;
 		msg.txBreak = (p_priv->break_on);
 	}
 
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index 68c7457a98ae..db0541c5df79 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -971,9 +971,9 @@ static void option_indat_callback(struct urb *urb)
 		tty_kref_put(tty);
 
 		/* Resubmit urb so we continue receiving */
-		if (port->port.count && status != -ESHUTDOWN) {
+		if (status != -ESHUTDOWN) {
 			err = usb_submit_urb(urb, GFP_ATOMIC);
-			if (err)
+			if (err && err != -EPERM)
 				printk(KERN_ERR "%s: resubmit read urb failed. "
 					"(%d)", __func__, err);
 			else
diff --git a/drivers/usb/serial/oti6858.c b/drivers/usb/serial/oti6858.c
index 839733431832..deeacdea05db 100644
--- a/drivers/usb/serial/oti6858.c
+++ b/drivers/usb/serial/oti6858.c
@@ -585,9 +585,6 @@ static int oti6858_open(struct tty_struct *tty, struct usb_serial_port *port)
 	usb_clear_halt(serial->dev, port->write_urb->pipe);
 	usb_clear_halt(serial->dev, port->read_urb->pipe);
 
-	if (port->port.count != 1)
-		return 0;
-
 	buf = kmalloc(OTI6858_CTRL_PKT_SIZE, GFP_KERNEL);
 	if (buf == NULL) {
 		dev_err(&port->dev, "%s(): out of memory!\n", __func__);
@@ -934,10 +931,6 @@ static void oti6858_read_bulk_callback(struct urb *urb)
 	spin_unlock_irqrestore(&priv->lock, flags);
 
 	if (status != 0) {
-		if (!port->port.count) {
-			dbg("%s(): port is closed, exiting", __func__);
-			return;
-		}
 		/*
 		if (status == -EPROTO) {
 			* PL2303 mysteriously fails with -EPROTO reschedule
@@ -961,14 +954,12 @@ static void oti6858_read_bulk_callback(struct urb *urb)
 	}
 	tty_kref_put(tty);
 
-	/* schedule the interrupt urb if we are still open */
-	if (port->port.count != 0) {
-		port->interrupt_in_urb->dev = port->serial->dev;
-		result = usb_submit_urb(port->interrupt_in_urb, GFP_ATOMIC);
-		if (result != 0) {
-			dev_err(&port->dev, "%s(): usb_submit_urb() failed,"
-					" error %d\n", __func__, result);
-		}
+	/* schedule the interrupt urb */
+	port->interrupt_in_urb->dev = port->serial->dev;
+	result = usb_submit_urb(port->interrupt_in_urb, GFP_ATOMIC);
+	if (result != 0 && result != -EPERM) {
+		dev_err(&port->dev, "%s(): usb_submit_urb() failed,"
+				" error %d\n", __func__, result);
 	}
 }
 
diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c
index a3e5a56dc066..571dcf182866 100644
--- a/drivers/usb/serial/pl2303.c
+++ b/drivers/usb/serial/pl2303.c
@@ -1071,10 +1071,6 @@ static void pl2303_read_bulk_callback(struct urb *urb)
 
 	if (status) {
 		dbg("%s - urb status = %d", __func__, status);
-		if (!port->port.count) {
-			dbg("%s - port is closed, exiting.", __func__);
-			return;
-		}
 		if (status == -EPROTO) {
 			/* PL2303 mysteriously fails with -EPROTO reschedule
 			 * the read */
@@ -1107,15 +1103,11 @@ static void pl2303_read_bulk_callback(struct urb *urb)
 	}
 	tty_kref_put(tty);
 	/* Schedule the next read _if_ we are still open */
-	if (port->port.count) {
-		urb->dev = port->serial->dev;
-		result = usb_submit_urb(urb, GFP_ATOMIC);
-		if (result)
-			dev_err(&urb->dev->dev, "%s - failed resubmitting"
-				" read urb, error %d\n", __func__, result);
-	}
-
-	return;
+	urb->dev = port->serial->dev;
+	result = usb_submit_urb(urb, GFP_ATOMIC);
+	if (result && result != -EPERM)
+		dev_err(&urb->dev->dev, "%s - failed resubmitting"
+			" read urb, error %d\n", __func__, result);
 }
 
 static void pl2303_write_bulk_callback(struct urb *urb)
diff --git a/drivers/usb/serial/sierra.c b/drivers/usb/serial/sierra.c
index c012e51665bd..34e6f894cba9 100644
--- a/drivers/usb/serial/sierra.c
+++ b/drivers/usb/serial/sierra.c
@@ -610,10 +610,10 @@ static void sierra_indat_callback(struct urb *urb)
 	}
 
 	/* Resubmit urb so we continue receiving */
-	if (port->port.count && status != -ESHUTDOWN && status != -EPERM) {
+	if (status != -ESHUTDOWN && status != -EPERM) {
 		usb_mark_last_busy(port->serial->dev);
 		err = usb_submit_urb(urb, GFP_ATOMIC);
-		if (err)
+		if (err && err != -EPERM)
 			dev_err(&port->dev, "resubmit read urb failed."
 				"(%d)\n", err);
 	}
@@ -672,11 +672,11 @@ static void sierra_instat_callback(struct urb *urb)
 		dev_dbg(&port->dev, "%s: error %d\n", __func__, status);
 
 	/* Resubmit urb so we continue receiving IRQ data */
-	if (port->port.count && status != -ESHUTDOWN && status != -ENOENT) {
+	if (status != -ESHUTDOWN && status != -ENOENT) {
 		usb_mark_last_busy(serial->dev);
 		urb->dev = serial->dev;
 		err = usb_submit_urb(urb, GFP_ATOMIC);
-		if (err)
+		if (err && err != -EPERM)
 			dev_err(&port->dev, "%s: resubmit intr urb "
 				"failed. (%d)\n", __func__, err);
 	}
diff --git a/drivers/usb/serial/spcp8x5.c b/drivers/usb/serial/spcp8x5.c
index cf508e26f1c6..5d39191e7244 100644
--- a/drivers/usb/serial/spcp8x5.c
+++ b/drivers/usb/serial/spcp8x5.c
@@ -686,8 +686,6 @@ static void spcp8x5_read_bulk_callback(struct urb *urb)
 
 	/* check the urb status */
 	if (result) {
-		if (!port->port.count)
-			return;
 		if (result == -EPROTO) {
 			/* spcp8x5 mysteriously fails with -EPROTO */
 			/* reschedule the read */
@@ -734,16 +732,11 @@ static void spcp8x5_read_bulk_callback(struct urb *urb)
 	}
 	tty_kref_put(tty);
 
-	/* Schedule the next read _if_ we are still open */
-	if (port->port.count) {
-		urb->dev = port->serial->dev;
-		result = usb_submit_urb(urb , GFP_ATOMIC);
-		if (result)
-			dev_dbg(&port->dev, "failed submitting read urb %d\n",
-				result);
-	}
-
-	return;
+	/* Schedule the next read */
+	urb->dev = port->serial->dev;
+	result = usb_submit_urb(urb , GFP_ATOMIC);
+	if (result)
+		dev_dbg(&port->dev, "failed submitting read urb %d\n", result);
 }
 
 /* get data from ring buffer and then write to usb bus */