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USB: serial: aircable: clean up urb->status usage
This done in anticipation of removal of urb->status, which will make that patch easier to review and apply in the future. Cc: <linux-usb-devel@lists.sourceforge.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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1373dbbca5
1 changed files with 9 additions and 7 deletions
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@ -411,12 +411,13 @@ static int aircable_write(struct usb_serial_port *port,
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static void aircable_write_bulk_callback(struct urb *urb)
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{
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struct usb_serial_port *port = urb->context;
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int status = urb->status;
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int result;
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dbg("%s - urb->status: %d", __FUNCTION__ , urb->status);
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dbg("%s - urb status: %d", __FUNCTION__ , status);
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/* This has been taken from cypress_m8.c cypress_write_int_callback */
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switch (urb->status) {
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switch (status) {
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case 0:
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/* success */
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break;
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@ -425,14 +426,14 @@ static void aircable_write_bulk_callback(struct urb *urb)
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case -ESHUTDOWN:
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/* this urb is terminated, clean up */
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dbg("%s - urb shutting down with status: %d",
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__FUNCTION__, urb->status);
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__FUNCTION__, status);
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port->write_urb_busy = 0;
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return;
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default:
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/* error in the urb, so we have to resubmit it */
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dbg("%s - Overflow in write", __FUNCTION__);
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dbg("%s - nonzero write bulk status received: %d",
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__FUNCTION__, urb->status);
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__FUNCTION__, status);
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port->write_urb->transfer_buffer_length = 1;
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port->write_urb->dev = port->serial->dev;
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result = usb_submit_urb(port->write_urb, GFP_ATOMIC);
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@ -457,16 +458,17 @@ static void aircable_read_bulk_callback(struct urb *urb)
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unsigned long no_packages, remaining, package_length, i;
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int result, shift = 0;
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unsigned char *temp;
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int status = urb->status;
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dbg("%s - port %d", __FUNCTION__, port->number);
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if (urb->status) {
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dbg("%s - urb->status = %d", __FUNCTION__, urb->status);
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if (status) {
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dbg("%s - urb status = %d", __FUNCTION__, status);
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if (!port->open_count) {
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dbg("%s - port is closed, exiting.", __FUNCTION__);
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return;
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}
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if (urb->status == -EPROTO) {
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if (status == -EPROTO) {
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dbg("%s - caught -EPROTO, resubmitting the urb",
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__FUNCTION__);
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usb_fill_bulk_urb(port->read_urb, port->serial->dev,
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