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path: root/drivers/usb/serial/airprime.c
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Diffstat (limited to 'drivers/usb/serial/airprime.c')
-rw-r--r--drivers/usb/serial/airprime.c63
1 files changed, 35 insertions, 28 deletions
diff --git a/drivers/usb/serial/airprime.c b/drivers/usb/serial/airprime.c
index 725b6b94c27..0798c14ce78 100644
--- a/drivers/usb/serial/airprime.c
+++ b/drivers/usb/serial/airprime.c
@@ -68,8 +68,9 @@ static int airprime_send_setup(struct usb_serial_port *port)
val |= 0x02;
return usb_control_msg(serial->dev,
- usb_rcvctrlpipe(serial->dev, 0),
- 0x22,0x21,val,0,NULL,0,USB_CTRL_SET_TIMEOUT);
+ usb_rcvctrlpipe(serial->dev, 0),
+ 0x22, 0x21, val, 0, NULL, 0,
+ USB_CTRL_SET_TIMEOUT);
}
return 0;
@@ -90,17 +91,19 @@ static void airprime_read_bulk_callback(struct urb *urb)
__func__, status);
return;
}
- usb_serial_debug_data(debug, &port->dev, __func__, urb->actual_length, data);
+ usb_serial_debug_data(debug, &port->dev, __func__,
+ urb->actual_length, data);
tty = port->tty;
if (tty && urb->actual_length) {
- tty_insert_flip_string (tty, data, urb->actual_length);
- tty_flip_buffer_push (tty);
+ tty_insert_flip_string(tty, data, urb->actual_length);
+ tty_flip_buffer_push(tty);
}
- result = usb_submit_urb (urb, GFP_ATOMIC);
+ result = usb_submit_urb(urb, GFP_ATOMIC);
if (result)
- dev_err(&port->dev, "%s - failed resubmitting read urb, error %d\n",
+ dev_err(&port->dev,
+ "%s - failed resubmitting read urb, error %d\n",
__func__, result);
return;
}
@@ -115,7 +118,7 @@ static void airprime_write_bulk_callback(struct urb *urb)
dbg("%s - port %d", __func__, port->number);
/* free up the transfer buffer, as usb_free_urb() does not do this */
- kfree (urb->transfer_buffer);
+ kfree(urb->transfer_buffer);
if (status)
dbg("%s - nonzero write bulk status received: %d",
@@ -171,7 +174,7 @@ static int airprime_open(struct usb_serial_port *port, struct file *filp)
}
usb_fill_bulk_urb(urb, serial->dev,
usb_rcvbulkpipe(serial->dev,
- port->bulk_out_endpointAddress),
+ port->bulk_out_endpointAddress),
buffer, buffer_size,
airprime_read_bulk_callback, port);
result = usb_submit_urb(urb, GFP_KERNEL);
@@ -183,7 +186,8 @@ static int airprime_open(struct usb_serial_port *port, struct file *filp)
__func__, i, port->number, result);
goto errout;
}
- /* remember this urb so we can kill it when the port is closed */
+ /* remember this urb so we can kill it when the
+ port is closed */
priv->read_urbp[i] = urb;
}
@@ -192,22 +196,22 @@ static int airprime_open(struct usb_serial_port *port, struct file *filp)
goto out;
errout:
- /* some error happened, cancel any submitted urbs and clean up anything that
- got allocated successfully */
+ /* some error happened, cancel any submitted urbs and clean up
+ anything that got allocated successfully */
while (i-- != 0) {
urb = priv->read_urbp[i];
buffer = urb->transfer_buffer;
- usb_kill_urb (urb);
- usb_free_urb (urb);
- kfree (buffer);
+ usb_kill_urb(urb);
+ usb_free_urb(urb);
+ kfree(buffer);
}
out:
return result;
}
-static void airprime_close(struct usb_serial_port *port, struct file * filp)
+static void airprime_close(struct usb_serial_port *port, struct file *filp)
{
struct airprime_private *priv = usb_get_serial_port_data(port);
int i;
@@ -220,16 +224,16 @@ static void airprime_close(struct usb_serial_port *port, struct file * filp)
mutex_lock(&port->serial->disc_mutex);
if (!port->serial->disconnected)
airprime_send_setup(port);
- mutex_lock(&port->serial->disc_mutex);
+ mutex_unlock(&port->serial->disc_mutex);
for (i = 0; i < NUM_READ_URBS; ++i) {
- usb_kill_urb (priv->read_urbp[i]);
- kfree (priv->read_urbp[i]->transfer_buffer);
- usb_free_urb (priv->read_urbp[i]);
+ usb_kill_urb(priv->read_urbp[i]);
+ kfree(priv->read_urbp[i]->transfer_buffer);
+ usb_free_urb(priv->read_urbp[i]);
}
/* free up private structure */
- kfree (priv);
+ kfree(priv);
usb_set_serial_port_data(port, NULL);
}
@@ -259,10 +263,10 @@ static int airprime_write(struct usb_serial_port *port,
urb = usb_alloc_urb(0, GFP_ATOMIC);
if (!urb) {
dev_err(&port->dev, "no more free urbs\n");
- kfree (buffer);
+ kfree(buffer);
return -ENOMEM;
}
- memcpy (buffer, buf, count);
+ memcpy(buffer, buf, count);
usb_serial_debug_data(debug, &port->dev, __func__, count, buffer);
@@ -279,7 +283,7 @@ static int airprime_write(struct usb_serial_port *port,
"%s - usb_submit_urb(write bulk) failed with status = %d\n",
__func__, status);
count = status;
- kfree (buffer);
+ kfree(buffer);
} else {
spin_lock_irqsave(&priv->lock, flags);
++priv->outstanding_urbs;
@@ -287,7 +291,7 @@ static int airprime_write(struct usb_serial_port *port,
}
/* we are done with this urb, so let the host driver
* really free it when it is finished with it */
- usb_free_urb (urb);
+ usb_free_urb(urb);
return count;
}
@@ -315,8 +319,10 @@ static int __init airprime_init(void)
{
int retval;
- airprime_device.num_ports =
- (endpoints > 0 && endpoints <= MAX_BULK_EPS) ? endpoints : NUM_BULK_EPS;
+ airprime_device.num_ports = endpoints;
+ if (endpoints < 0 || endpoints >= MAX_BULK_EPS)
+ airprime_device.num_ports = NUM_BULK_EPS;
+
retval = usb_serial_register(&airprime_device);
if (retval)
return retval;
@@ -341,6 +347,7 @@ MODULE_LICENSE("GPL");
module_param(debug, bool, S_IRUGO | S_IWUSR);
MODULE_PARM_DESC(debug, "Debug enabled");
module_param(buffer_size, int, 0);
-MODULE_PARM_DESC(buffer_size, "Size of the transfer buffers in bytes (default 4096)");
+MODULE_PARM_DESC(buffer_size,
+ "Size of the transfer buffers in bytes (default 4096)");
module_param(endpoints, int, 0);
MODULE_PARM_DESC(endpoints, "Number of bulk EPs to configure (default 3)");
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-12 11:43:33 +0000