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USB: serial: cypress_m8: 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: Lonnie Mendez <dignome@gmail.com>
Cc: Neil Whelchel <koyama@firstlight.net>
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 7dcc85cd9b
commit 8d7bc55ecf
1 changed files with 11 additions and 7 deletions
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18
drivers/usb/serial/cypress_m8.c
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@ -1275,10 +1275,11 @@ static void cypress_read_int_callback(struct urb *urb)
int bytes = 0;
int result;
int i = 0;
int status = urb->status;
dbg("%s - port %d", __FUNCTION__, port->number);
switch (urb->status) {
switch (status) {
case 0: /* success */
break;
case -ECONNRESET:
@ -1292,7 +1293,7 @@ static void cypress_read_int_callback(struct urb *urb)
default:
/* something ugly is going on... */
dev_err(&urb->dev->dev,"%s - unexpected nonzero read status received: %d\n",
__FUNCTION__,urb->status);
__FUNCTION__, status);
cypress_set_dead(port);
return;
}
@ -1419,10 +1420,11 @@ static void cypress_write_int_callback(struct urb *urb)
struct usb_serial_port *port = (struct usb_serial_port *)urb->context;
struct cypress_private *priv = usb_get_serial_port_data(port);
int result;
int status = urb->status;
dbg("%s - port %d", __FUNCTION__, port->number);
switch (urb->status) {
switch (status) {
case 0:
/* success */
break;
@ -1430,7 +1432,8 @@ static void cypress_write_int_callback(struct urb *urb)
case -ENOENT:
case -ESHUTDOWN:
/* this urb is terminated, clean up */
dbg("%s - urb shutting down with status: %d", __FUNCTION__, urb->status);
dbg("%s - urb shutting down with status: %d",
__FUNCTION__, status);
priv->write_urb_in_use = 0;
return;
case -EPIPE: /* no break needed; clear halt and resubmit */
@ -1438,7 +1441,8 @@ static void cypress_write_int_callback(struct urb *urb)
break;
usb_clear_halt(port->serial->dev, 0x02);
/* error in the urb, so we have to resubmit it */
dbg("%s - nonzero write bulk status received: %d", __FUNCTION__, urb->status);
dbg("%s - nonzero write bulk status received: %d",
__FUNCTION__, status);
port->interrupt_out_urb->transfer_buffer_length = 1;
port->interrupt_out_urb->dev = port->serial->dev;
result = usb_submit_urb(port->interrupt_out_urb, GFP_ATOMIC);
@ -1450,7 +1454,7 @@ static void cypress_write_int_callback(struct urb *urb)
break;
default:
dev_err(&urb->dev->dev,"%s - unexpected nonzero write status received: %d\n",
__FUNCTION__,urb->status);
__FUNCTION__, status);
cypress_set_dead(port);
break;
}