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Subject[PATCH 20/33] usb: legousbtower free kill urb cleanup
Date
Hello,

- usb_free_urb() cleanup
- usb_kill_urb() cleanup

Signed-off-by: Mariusz Kozlowski <m.kozlowski@tuxland.pl>

--- linux-2.6.19-rc4-orig/drivers/usb/misc/legousbtower.c 2006-11-06 17:08:21.000000000 +0100
+++ linux-2.6.19-rc4/drivers/usb/misc/legousbtower.c 2006-11-07 17:01:19.000000000 +0100
@@ -317,12 +317,8 @@ static inline void tower_delete (struct
tower_abort_transfers (dev);

/* free data structures */
- if (dev->interrupt_in_urb != NULL) {
- usb_free_urb (dev->interrupt_in_urb);
- }
- if (dev->interrupt_out_urb != NULL) {
- usb_free_urb (dev->interrupt_out_urb);
- }
+ usb_free_urb (dev->interrupt_in_urb);
+ usb_free_urb (dev->interrupt_out_urb);
kfree (dev->read_buffer);
kfree (dev->interrupt_in_buffer);
kfree (dev->interrupt_out_buffer);
@@ -502,15 +498,11 @@ static void tower_abort_transfers (struc
if (dev->interrupt_in_running) {
dev->interrupt_in_running = 0;
mb();
- if (dev->interrupt_in_urb != NULL && dev->udev) {
+ if (dev->udev)
usb_kill_urb (dev->interrupt_in_urb);
- }
- }
- if (dev->interrupt_out_busy) {
- if (dev->interrupt_out_urb != NULL && dev->udev) {
- usb_kill_urb (dev->interrupt_out_urb);
- }
}
+ if (dev->interrupt_out_busy && dev->udev)
+ usb_kill_urb (dev->interrupt_out_urb);

exit:
dbg(2, "%s: leave", __FUNCTION__);
-
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