[PATCH] usb: appledisplay: remove needless check before usb_free_coherent()

[Xu Wang]

usb_free_coherent() is safe with NULL addr and this check is
not required.

Signed-off-by: Xu Wang <vu...@iscas.ac.cn>
---
 drivers/usb/misc/appledisplay.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/usb/misc/appledisplay.c b/drivers/usb/misc/appledisplay.c
index ba1eaabc7796..eab3ea7e21cc 100644
--- a/drivers/usb/misc/appledisplay.c
+++ b/drivers/usb/misc/appledisplay.c
@@ -305,8 +305,7 @@ static int appledisplay_probe(struct usb_interface *iface,
                if (pdata->urb) {
                        usb_kill_urb(pdata->urb);
                        cancel_delayed_work_sync(&pdata->work);
-                       if (pdata->urbdata)
-                               usb_free_coherent(pdata->udev, 
ACD_URB_BUFFER_LEN,
+                       usb_free_coherent(pdata->udev, ACD_URB_BUFFER_LEN,
                                        pdata->urbdata, 
pdata->urb->transfer_dma);
                        usb_free_urb(pdata->urb);
                }
-- 
2.17.1