linux-kernel - [PATCH 2/2] USB: yurex: Fix missing URB_NO_TRANSFER_DMA

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Date:	Fri, 30 Mar 2012 08:51:36 +0900
From:	Tomoki Sekiyama <tomoki.sekiyama@...il.com>
To:	Sergei Shtylyov <sshtylyov@...sta.com>, gregkh@...uxfoundation.org,
	linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 2/2] 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: Tomoki Sekiyama <tomoki.sekiyama@...il.com>
---
 drivers/usb/misc/yurex.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/usb/misc/yurex.c b/drivers/usb/misc/yurex.c
index a4a76fc..7020146 100644
--- a/drivers/usb/misc/yurex.c
+++ b/drivers/usb/misc/yurex.c
@@ -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");
-- 1.7.7.6

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