linux-kernel - [65/73] ath9k_htc: Fix an endian issue

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Message-Id: <20110305005640.930758482@clark.kroah.org>
Date:	Fri, 04 Mar 2011 16:56:10 -0800
From:	Greg KH <gregkh@...e.de>
To:	linux-kernel@...r.kernel.org, stable@...nel.org
Cc:	stable-review@...nel.org, torvalds@...ux-foundation.org,
	akpm@...ux-foundation.org, alan@...rguk.ukuu.org.uk,
	Sujith Manoharan <Sujith.Manoharan@...eros.com>,
	"John W. Linville" <linville@...driver.com>
Subject: [65/73] ath9k_htc: Fix an endian issue

2.6.37-stable review patch.  If anyone has any objections, please let us know.

------------------

From: Sujith Manoharan <Sujith.Manoharan@...eros.com>

commit 2c27392dc4d4f5ee8a3967a520b8f6cac0418031 upstream.

The stream length/tag fields have to be in little endian
format. Fixing this makes the driver work on big-endian
platforms.

Tested-by: raghunathan.kailasanathan@...ro.com
Signed-off-by: Sujith Manoharan <Sujith.Manoharan@...eros.com>
Signed-off-by: John W. Linville <linville@...driver.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>

---
 drivers/net/wireless/ath/ath9k/hif_usb.c |    9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

--- a/drivers/net/wireless/ath/ath9k/hif_usb.c
+++ b/drivers/net/wireless/ath/ath9k/hif_usb.c
@@ -210,8 +210,9 @@ static int __hif_usb_tx(struct hif_devic
 	struct tx_buf *tx_buf = NULL;
 	struct sk_buff *nskb = NULL;
 	int ret = 0, i;
-	u16 *hdr, tx_skb_cnt = 0;
+	u16 tx_skb_cnt = 0;
 	u8 *buf;
+	__le16 *hdr;
 
 	if (hif_dev->tx.tx_skb_cnt == 0)
 		return 0;
@@ -236,9 +237,9 @@ static int __hif_usb_tx(struct hif_devic
 
 		buf = tx_buf->buf;
 		buf += tx_buf->offset;
-		hdr = (u16 *)buf;
-		*hdr++ = nskb->len;
-		*hdr++ = ATH_USB_TX_STREAM_MODE_TAG;
+		hdr = (__le16 *)buf;
+		*hdr++ = cpu_to_le16(nskb->len);
+		*hdr++ = cpu_to_le16(ATH_USB_TX_STREAM_MODE_TAG);
 		buf += 4;
 		memcpy(buf, nskb->data, nskb->len);
 		tx_buf->len = nskb->len + 4;


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