linux-kernel - [PATCH 214/270] xhci: endianness xhci_calculate_intel_u2

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <1353949160-26803-215-git-send-email-herton.krzesinski@canonical.com>
Date:	Mon, 26 Nov 2012 14:58:24 -0200
From:	Herton Ronaldo Krzesinski <herton.krzesinski@...onical.com>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org,
	kernel-team@...ts.ubuntu.com
Cc:	Oliver Neukum <oneukum@...e.de>,
	Sarah Sharp <sarah.a.sharp@...ux.intel.com>,
	Herton Ronaldo Krzesinski <herton.krzesinski@...onical.com>
Subject: [PATCH 214/270] xhci: endianness xhci_calculate_intel_u2_timeout

3.5.7u1 -stable review patch.  If anyone has any objections, please let me know.

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

From: Oliver Neukum <oliver@...kum.org>

commit 966e7a854177097083683176ced871558b631a12 upstream.

An le16 is accessed without conversion.

This patch should be backported to kernels as old as 3.5, that contain
the commit e3567d2c15a7a8e2f992a5f7c7683453ca406d82 "xhci: Add Intel
U1/U2 timeout policy."

Signed-off-by: Oliver Neukum <oneukum@...e.de>
Signed-off-by: Sarah Sharp <sarah.a.sharp@...ux.intel.com>
Signed-off-by: Herton Ronaldo Krzesinski <herton.krzesinski@...onical.com>
---
 drivers/usb/host/xhci.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index ad29888..1f9b8a4 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -4141,7 +4141,7 @@ static u16 xhci_calculate_intel_u2_timeout(struct usb_device *udev,
 			(xhci_service_interval_to_ns(desc) > timeout_ns))
 		timeout_ns = xhci_service_interval_to_ns(desc);
 
-	u2_del_ns = udev->bos->ss_cap->bU2DevExitLat * 1000;
+	u2_del_ns = le16_to_cpu(udev->bos->ss_cap->bU2DevExitLat) * 1000ULL;
 	if (u2_del_ns > timeout_ns)
 		timeout_ns = u2_del_ns;
 
-- 
1.7.9.5

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/