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Commit 532f17b5 authored by Tomoki Sekiyama's avatar Tomoki Sekiyama Committed by Greg Kroah-Hartman
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USB: yurex: Fix missing URB_NO_TRANSFER_DMA_MAP flag in urb 



Current probing code is setting URB_NO_TRANSFER_DMA_MAP flag into a wrong urb
structure, and this causes BUG_ON with some USB host implementations.
This patch fixes the issue.

Signed-off-by: default avatarTomoki Sekiyama <tomoki.sekiyama@gmail.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 523fc5c1

drivers/usb/misc/yurex.c

+1 −1
Original line number Diff line number Diff line
@@ -282,7 +282,7 @@ static int yurex_probe(struct usb_interface *interface, const struct usb_device_ 
			 usb_rcvintpipe(dev->udev, dev->int_in_endpointAddr),

			 dev->int_buffer, YUREX_BUF_SIZE, yurex_interrupt,

			 dev, 1);

	dev->cntl_urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;

	dev->urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;

	if (usb_submit_urb(dev->urb, GFP_KERNEL)) {

		retval = -EIO;

		err("Could not submitting URB");