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path: root/drivers/hid/usbhid/hid-core.c
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Diffstat (limited to 'drivers/hid/usbhid/hid-core.c')
-rw-r--r--drivers/hid/usbhid/hid-core.c13
1 files changed, 10 insertions, 3 deletions
diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c
index 1ebd3244eb85..b729c0286679 100644
--- a/drivers/hid/usbhid/hid-core.c
+++ b/drivers/hid/usbhid/hid-core.c
@@ -827,14 +827,21 @@ static int usbhid_output_raw_report(struct hid_device *hid, __u8 *buf, size_t co
827 ret++; 827 ret++;
828 } 828 }
829 } else { 829 } else {
830 int skipped_report_id = 0;
831 if (buf[0] == 0x0) {
832 /* Don't send the Report ID */
833 buf++;
834 count--;
835 skipped_report_id = 1;
836 }
830 ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), 837 ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
831 HID_REQ_SET_REPORT, 838 HID_REQ_SET_REPORT,
832 USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE, 839 USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE,
833 ((report_type + 1) << 8) | *buf, 840 ((report_type + 1) << 8) | *buf,
834 interface->desc.bInterfaceNumber, buf + 1, count - 1, 841 interface->desc.bInterfaceNumber, buf, count,
835 USB_CTRL_SET_TIMEOUT); 842 USB_CTRL_SET_TIMEOUT);
836 /* count also the report id */ 843 /* count also the report id, if this was a numbered report. */
837 if (ret > 0) 844 if (ret > 0 && skipped_report_id)
838 ret++; 845 ret++;
839 } 846 }
840 847