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Message-Id: <20170523200829.635343153@linuxfoundation.org>
Date:   Tue, 23 May 2017 22:07:33 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org,
        Nick Fedchik <nfedchik@...antic-link.com.ua>,
        Johan Hovold <johan@...nel.org>,
        "David S. Miller" <davem@...emloft.net>
Subject: [PATCH 4.11 092/197] net: irda: irda-usb: fix firmware name on big-endian hosts

4.11-stable review patch.  If anyone has any objections, please let me know.

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

From: Johan Hovold <johan@...nel.org>

commit 75cf067953d5ee543b3bda90bbfcbee5e1f94ae8 upstream.

Add missing endianness conversion when using the USB device-descriptor
bcdDevice field to construct a firmware file name.

Fixes: 8ef80aef118e ("[IRDA]: irda-usb.c: STIR421x cleanups")
Cc: Nick Fedchik <nfedchik@...antic-link.com.ua>
Signed-off-by: Johan Hovold <johan@...nel.org>
Signed-off-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/net/irda/irda-usb.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/net/irda/irda-usb.c
+++ b/drivers/net/irda/irda-usb.c
@@ -1077,7 +1077,7 @@ static int stir421x_patch_device(struct
          * are "42101001.sb" or "42101002.sb"
          */
         sprintf(stir421x_fw_name, "4210%4X.sb",
-                self->usbdev->descriptor.bcdDevice);
+		le16_to_cpu(self->usbdev->descriptor.bcdDevice));
         ret = request_firmware(&fw, stir421x_fw_name, &self->usbdev->dev);
         if (ret < 0)
                 return ret;


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