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    Subject[PATCH 214/270] xhci: endianness xhci_calculate_intel_u2_timeout
    Date
    3.5.7u1 -stable review patch.  If anyone has any objections, please let me know.

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

    From: Oliver Neukum <oliver@neukum.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@suse.de>
    Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
    Signed-off-by: Herton Ronaldo Krzesinski <herton.krzesinski@canonical.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


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