usb: legousbtower free kill urb cleanup
Hello,
- usb_free_urb() cleanup
- usb_kill_urb() cleanup
Signed-off-by: Mariusz Kozlowski <m.kozlowski@tuxland.pl>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/usb/misc/legousbtower.c b/drivers/usb/misc/legousbtower.c
index f861199..5dce797 100644
--- a/drivers/usb/misc/legousbtower.c
+++ b/drivers/usb/misc/legousbtower.c
@@ -317,12 +317,8 @@
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 @@
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__);