[PATCH 2/3] usb: appledisplay: Set urb transfer_flags to URB_NO_TRANSFER_DMA_MAP

[alex . theissen]

From: Alexander Theissen <alex.theis...@me.com>

The driver does allocate a DMA address with usb_alloc_coherent but did
not set the appropriate flag to signal that transfer_dma is set to a
valid value.

Signed-off-by: Alexander Theissen <alex.theis...@me.com>
---
 drivers/usb/misc/appledisplay.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/usb/misc/appledisplay.c b/drivers/usb/misc/appledisplay.c
index 39ca31b4de46..2f3c4769238d 100644
--- a/drivers/usb/misc/appledisplay.c
+++ b/drivers/usb/misc/appledisplay.c
@@ -261,6 +261,7 @@ static int appledisplay_probe(struct usb_interface *iface,
                usb_rcvintpipe(udev, int_in_endpointAddr),
                pdata->urbdata, ACD_URB_BUFFER_LEN, appledisplay_complete,
                pdata, 1);
+       pdata->urb->transfer_flags = URB_NO_TRANSFER_DMA_MAP;
        if (usb_submit_urb(pdata->urb, GFP_KERNEL)) {
                retval = -EIO;
                dev_err(&iface->dev, "Submitting URB failed\n");
-- 
2.19.1