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path: root/drivers/usb/serial/oti6858.c
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Diffstat (limited to 'drivers/usb/serial/oti6858.c')
-rw-r--r--drivers/usb/serial/oti6858.c21
1 files changed, 6 insertions, 15 deletions
diff --git a/drivers/usb/serial/oti6858.c b/drivers/usb/serial/oti6858.c
index 8397334..deeacde 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);
}
}