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Code Issues Releases Wiki Activity

USB: serial: kobil_sct: 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: Thomas Wahrenbruch <linuxusb@kobil.de>
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 17c1b35a46
commit 6fcdcf04e3
1 changed files with 14 additions and 12 deletions
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26
drivers/usb/serial/kobil_sct.c
View file

@ -358,24 +358,26 @@ static void kobil_close (struct usb_serial_port *port, struct file *filp)
} }
static void kobil_read_int_callback( struct urb *purb) static void kobil_read_int_callback(struct urb *urb)
{ {
int result; int result;
struct usb_serial_port *port = (struct usb_serial_port *) purb->context; struct usb_serial_port *port = urb->context;
struct tty_struct *tty; struct tty_struct *tty;
unsigned char *data = purb->transfer_buffer; unsigned char *data = urb->transfer_buffer;
int status = urb->status;
// char *dbg_data; // char *dbg_data;
dbg("%s - port %d", __FUNCTION__, port->number); dbg("%s - port %d", __FUNCTION__, port->number);
if (purb->status) { if (status) {
dbg("%s - port %d Read int status not zero: %d", __FUNCTION__, port->number, purb->status); dbg("%s - port %d Read int status not zero: %d",
__FUNCTION__, port->number, status);
return; return;
} }
tty = port->tty; tty = port->tty;
if (purb->actual_length) { if (urb->actual_length) {
// BEGIN DEBUG // BEGIN DEBUG
/* /*
dbg_data = kzalloc((3 * purb->actual_length + 10) * sizeof(char), GFP_KERNEL); dbg_data = kzalloc((3 * purb->actual_length + 10) * sizeof(char), GFP_KERNEL);
@ -390,15 +392,15 @@ static void kobil_read_int_callback( struct urb *purb)
*/ */
// END DEBUG // END DEBUG
tty_buffer_request_room(tty, purb->actual_length); tty_buffer_request_room(tty, urb->actual_length);
tty_insert_flip_string(tty, data, purb->actual_length); tty_insert_flip_string(tty, data, urb->actual_length);
tty_flip_buffer_push(tty); tty_flip_buffer_push(tty);
} }
// someone sets the dev to 0 if the close method has been called // someone sets the dev to 0 if the close method has been called
port->interrupt_in_urb->dev = port->serial->dev; port->interrupt_in_urb->dev = port->serial->dev;
result = usb_submit_urb( port->interrupt_in_urb, GFP_ATOMIC ); result = usb_submit_urb(port->interrupt_in_urb, GFP_ATOMIC);
dbg("%s - port %d Send read URB returns: %i", __FUNCTION__, port->number, result); dbg("%s - port %d Send read URB returns: %i", __FUNCTION__, port->number, result);
} }