Messages in this thread Patch in this message | | | From | Xu Wang <> | Subject | [PATCH] usb: appledisplay: remove needless check before usb_free_coherent() | Date | Mon, 20 Jul 2020 05:24:56 +0000 |
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usb_free_coherent() is safe with NULL addr and this check is not required.
Signed-off-by: Xu Wang <vulab@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
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