linux-kernel - [PATCH 4.11 081/197] USB: chaoskey: fix Alea quirk on big-endian hosts

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Message-Id: <20170523200827.921572189@linuxfoundation.org>
Date:   Tue, 23 May 2017 22:07:22 +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, Bob Ham <bob.ham@...labora.com>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        Keith Packard <keithp@...thp.com>,
        Johan Hovold <johan@...nel.org>
Subject: [PATCH 4.11 081/197] USB: chaoskey: fix Alea quirk 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 63afd5cc78775018ea2dec4004428dafa5283e93 upstream.

Add missing endianness conversion when applying the Alea timeout quirk.

Found using sparse:

	warning: restricted __le16 degrades to integer

Fixes: e4a886e811cd ("hwrng: chaoskey - Fix URB warning due to timeout on Alea")
Cc: Bob Ham <bob.ham@...labora.com>
Cc: Herbert Xu <herbert@...dor.apana.org.au>
Cc: Keith Packard <keithp@...thp.com>
Signed-off-by: Johan Hovold <johan@...nel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

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

--- a/drivers/usb/misc/chaoskey.c
+++ b/drivers/usb/misc/chaoskey.c
@@ -194,7 +194,7 @@ static int chaoskey_probe(struct usb_int
 
 	dev->in_ep = in_ep;
 
-	if (udev->descriptor.idVendor != ALEA_VENDOR_ID)
+	if (le16_to_cpu(udev->descriptor.idVendor) != ALEA_VENDOR_ID)
 		dev->reads_started = 1;
 
 	dev->size = size;