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USB: serial: remove unnecessary reinitialisations of urb->dev

Telusuri Sumber 
Remove unnecessary reinitialisations of urb->dev before each submission,
which were based on the (no longer valid) assumption that serial->dev
will be set to NULL on close.

Compile-only tested.

Cc: Matthias Bruestle and Harald Welte <support@reiner-sct.com>
Cc: Lonnie Mendez <dignome@gmail.com>
Cc: Peter Berger <pberger@brimson.com>
Cc: Al Borchers <alborchers@steinerpoint.com>
Cc: Support Department <support@connecttech.com>
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Johan Hovold
2011-11-06 19:06:28 +01:00
committed by Greg Kroah-Hartman
orang tua 016af7ec49
melakukan 5833041f1b
20 mengubah file dengan 8 tambahan dan 107 penghapusan
Download Patch File Download Diff File Expand all files Collapse all files

11
drivers/usb/serial/digi_acceleport.c
Melihat File

@@ -438,7 +438,6 @@ static int digi_write_oob_command(struct usb_serial_port *port,
len &= ~3;
memcpy(oob_port->write_urb->transfer_buffer, buf, len);
oob_port->write_urb->transfer_buffer_length = len;
oob_port->write_urb->dev = port->serial->dev;
ret = usb_submit_urb(oob_port->write_urb, GFP_ATOMIC);
if (ret == 0) {
oob_priv->dp_write_urb_in_use = 1;
@@ -516,7 +515,6 @@ static int digi_write_inb_command(struct usb_serial_port *port,
memcpy(data, buf, len);
port->write_urb->transfer_buffer_length = len;
}
port->write_urb->dev = port->serial->dev;
ret = usb_submit_urb(port->write_urb, GFP_ATOMIC);
if (ret == 0) {
@@ -587,7 +585,6 @@ static int digi_set_modem_signals(struct usb_serial_port *port,
data[7] = 0;
oob_port->write_urb->transfer_buffer_length = 8;
oob_port->write_urb->dev = port->serial->dev;
ret = usb_submit_urb(oob_port->write_urb, GFP_ATOMIC);
if (ret == 0) {
@@ -683,10 +680,8 @@ static void digi_rx_unthrottle(struct tty_struct *tty)
spin_lock_irqsave(&priv->dp_port_lock, flags);
/* restart read chain */
if (priv->dp_throttle_restart) {
port->read_urb->dev = port->serial->dev;
if (priv->dp_throttle_restart)
ret = usb_submit_urb(port->read_urb, GFP_ATOMIC);
}
/* turn throttle off */
priv->dp_throttled = 0;
@@ -979,7 +974,6 @@ static int digi_write(struct tty_struct *tty, struct usb_serial_port *port,
}
port->write_urb->transfer_buffer_length = data_len+2;
port->write_urb->dev = port->serial->dev;
*data++ = DIGI_CMD_SEND_DATA;
*data++ = data_len;
@@ -1055,7 +1049,6 @@ static void digi_write_bulk_callback(struct urb *urb)
= (unsigned char)priv->dp_out_buf_len;
port->write_urb->transfer_buffer_length =
priv->dp_out_buf_len + 2;
port->write_urb->dev = serial->dev;
memcpy(port->write_urb->transfer_buffer + 2, priv->dp_out_buf,
priv->dp_out_buf_len);
ret = usb_submit_urb(port->write_urb, GFP_ATOMIC);
@@ -1257,7 +1250,6 @@ static int digi_startup_device(struct usb_serial *serial)
/* set USB_DISABLE_SPD flag for write bulk urbs */
for (i = 0; i < serial->type->num_ports + 1; i++) {
port = serial->port[i];
port->write_urb->dev = port->serial->dev;
ret = usb_submit_urb(port->read_urb, GFP_KERNEL);
if (ret != 0) {
dev_err(&port->dev,
@@ -1400,7 +1392,6 @@ 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 && ret != -EPERM) {
dev_err(&port->dev,