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USB: serial: ti_usb_3410_5052: clean up urb->status usage

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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>
Cc: Al Borchers <alborchers@steinerpoint.com>
Cc: Peter Berger <pberger@brimson.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Greg Kroah-Hartman 2007-06-15 15:44:13 -07:00
parent 17dd2215ad
commit 52171b4808
1 changed files with 27 additions and 19 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

46
drivers/usb/serial/ti_usb_3410_5052.c
View File

@ -1112,22 +1112,24 @@ static void ti_interrupt_callback(struct urb *urb)
int length = urb->actual_length;
int port_number;
int function;
int status;
int status = urb->status;
int retval;
__u8 msr;
dbg("%s", __FUNCTION__);
switch (urb->status) {
switch (status) {
case 0:
break;
case -ECONNRESET:
case -ENOENT:
case -ESHUTDOWN:
dbg("%s - urb shutting down, %d", __FUNCTION__, urb->status);
dbg("%s - urb shutting down, %d", __FUNCTION__, status);
tdev->td_urb_error = 1;
return;
default:
dev_err(dev, "%s - nonzero urb status, %d\n", __FUNCTION__, urb->status);
dev_err(dev, "%s - nonzero urb status, %d\n",
__FUNCTION__, status);
tdev->td_urb_error = 1;
goto exit;
}
@ -1175,9 +1177,10 @@ static void ti_interrupt_callback(struct urb *urb)
}
exit:
status = usb_submit_urb(urb, GFP_ATOMIC);
if (status)
dev_err(dev, "%s - resubmit interrupt urb failed, %d\n", __FUNCTION__, status);
retval = usb_submit_urb(urb, GFP_ATOMIC);
if (retval)
dev_err(dev, "%s - resubmit interrupt urb failed, %d\n",
__FUNCTION__, retval);
}
@ -1186,30 +1189,32 @@ static void ti_bulk_in_callback(struct urb *urb)
struct ti_port *tport = (struct ti_port *)urb->context;
struct usb_serial_port *port = tport->tp_port;
struct device *dev = &urb->dev->dev;
int status = 0;
int status = urb->status;
int retval = 0;
dbg("%s", __FUNCTION__);
switch (urb->status) {
switch (status) {
case 0:
break;
case -ECONNRESET:
case -ENOENT:
case -ESHUTDOWN:
dbg("%s - urb shutting down, %d", __FUNCTION__, urb->status);
dbg("%s - urb shutting down, %d", __FUNCTION__, status);
tport->tp_tdev->td_urb_error = 1;
wake_up_interruptible(&tport->tp_write_wait);
return;
default:
dev_err(dev, "%s - nonzero urb status, %d\n", __FUNCTION__, urb->status );
dev_err(dev, "%s - nonzero urb status, %d\n",
__FUNCTION__, status );
tport->tp_tdev->td_urb_error = 1;
wake_up_interruptible(&tport->tp_write_wait);
}
if (urb->status == -EPIPE)
if (status == -EPIPE)
goto exit;
if (urb->status) {
if (status) {
dev_err(dev, "%s - stopping read!\n", __FUNCTION__);
return;
}
@ -1234,13 +1239,14 @@ exit:
spin_lock(&tport->tp_lock);
if (tport->tp_read_urb_state == TI_READ_URB_RUNNING) {
urb->dev = port->serial->dev;
status = usb_submit_urb(urb, GFP_ATOMIC);
retval = usb_submit_urb(urb, GFP_ATOMIC);
} else if (tport->tp_read_urb_state == TI_READ_URB_STOPPING) {
tport->tp_read_urb_state = TI_READ_URB_STOPPED;
}
spin_unlock(&tport->tp_lock);
if (status)
dev_err(dev, "%s - resubmit read urb failed, %d\n", __FUNCTION__, status);
if (retval)
dev_err(dev, "%s - resubmit read urb failed, %d\n",
__FUNCTION__, retval);
}
@ -1249,23 +1255,25 @@ static void ti_bulk_out_callback(struct urb *urb)
struct ti_port *tport = (struct ti_port *)urb->context;
struct usb_serial_port *port = tport->tp_port;
struct device *dev = &urb->dev->dev;
int status = urb->status;
dbg("%s - port %d", __FUNCTION__, port->number);
tport->tp_write_urb_in_use = 0;
switch (urb->status) {
switch (status) {
case 0:
break;
case -ECONNRESET:
case -ENOENT:
case -ESHUTDOWN:
dbg("%s - urb shutting down, %d", __FUNCTION__, urb->status);
dbg("%s - urb shutting down, %d", __FUNCTION__, status);
tport->tp_tdev->td_urb_error = 1;
wake_up_interruptible(&tport->tp_write_wait);
return;
default:
dev_err(dev, "%s - nonzero urb status, %d\n", __FUNCTION__, urb->status);
dev_err(dev, "%s - nonzero urb status, %d\n",
__FUNCTION__, status);
tport->tp_tdev->td_urb_error = 1;
wake_up_interruptible(&tport->tp_write_wait);
}