From 11c5035c9cfb7af7cfedd42e236d52f9c6bd1c49 Mon Sep 17 00:00:00 2001 From: Oliver Neukum Date: Wed, 17 Oct 2012 12:17:50 +0200 Subject: [PATCH] xhci: endianness xhci_calculate_intel_u2_timeout 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 Signed-off-by: Sarah Sharp Signed-off-by: Greg Kroah-Hartman --- 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 483617763d7..a6e910b2bc0 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; -- 2.34.1