Messages in this thread Patch in this message | | | Subject | [PATCH] usbhid endianness annotations and fixes | From | Al Viro <> | Date | Mon, 28 Apr 2008 07:00:05 +0100 |
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usb_control_msg() converts arguments to little-endian itself, doing that in caller means breakage on big-endian boxen.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> --- drivers/hid/usbhid/hid-core.c | 2 +- include/linux/hid.h | 4 ++-- 2 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c index e0d805f..01427c5 100644 --- a/drivers/hid/usbhid/hid-core.c +++ b/drivers/hid/usbhid/hid-core.c @@ -654,7 +654,7 @@ static int usbhid_output_raw_report(struct hid_device *hid, __u8 *buf, size_t co ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), HID_REQ_SET_REPORT, USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE, - cpu_to_le16(((HID_OUTPUT_REPORT + 1) << 8) | *buf), + ((HID_OUTPUT_REPORT + 1) << 8) | *buf, interface->desc.bInterfaceNumber, buf + 1, count - 1, USB_CTRL_SET_TIMEOUT); diff --git a/include/linux/hid.h b/include/linux/hid.h index d951ec4..4ce3b7a 100644 --- a/include/linux/hid.h +++ b/include/linux/hid.h @@ -498,13 +498,13 @@ struct hid_parser { struct hid_class_descriptor { __u8 bDescriptorType; - __u16 wDescriptorLength; + __le16 wDescriptorLength; } __attribute__ ((packed)); struct hid_descriptor { __u8 bLength; __u8 bDescriptorType; - __u16 bcdHID; + __le16 bcdHID; __u8 bCountryCode; __u8 bNumDescriptors; -- 1.5.3.GIT
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