| From | Greg Kroah-Hartman <> | Subject | [PATCH 4.11 100/197] USB: iowarrior: fix info ioctl on big-endian hosts | Date | Tue, 23 May 2017 22:07:41 +0200 |
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4.11-stable review patch. If anyone has any objections, please let me know.
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From: Johan Hovold <johan@kernel.org>
commit dd5ca753fa92fb736b1395db892bd29f78e6d408 upstream.
Drop erroneous le16_to_cpu when returning the USB device speed which is already in host byte order.
Found using sparse:
warning: cast to restricted __le16
Fixes: 946b960d13c1 ("USB: add driver for iowarrior devices.") Signed-off-by: Johan Hovold <johan@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--- drivers/usb/misc/iowarrior.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/usb/misc/iowarrior.c +++ b/drivers/usb/misc/iowarrior.c @@ -554,7 +554,7 @@ static long iowarrior_ioctl(struct file info.revision = le16_to_cpu(dev->udev->descriptor.bcdDevice); /* 0==UNKNOWN, 1==LOW(usb1.1) ,2=FULL(usb1.1), 3=HIGH(usb2.0) */ - info.speed = le16_to_cpu(dev->udev->speed); + info.speed = dev->udev->speed; info.if_num = dev->interface->cur_altsetting->desc.bInterfaceNumber; info.report_size = dev->report_size;
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