HID: pass numbered reports properly to hidraw

The numbered reports need to be passed properly to hidraw (i.e. with the first
data field indicating the report number), otherwise userspace has no idea
about the identification of the report.

Signed-off-by: Jiri Kosina <jkosina@suse.cz>

1 files changed, 7 insertions, 2 deletions

diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
index d7b2f6868a6d..10f925b892d7 100644
--- a/drivers/hid/hid-core.c
+++ b/drivers/hid/hid-core.c
@@ -988,8 +988,13 @@ int hid_input_report(struct hid_device *hid, int type, u8 *data, int size, int i
 
         if ((hid->claimed & HID_CLAIMED_HIDDEV) && hid->hiddev_report_event)
                 hid->hiddev_report_event(hid, report);
-        if (hid->claimed & HID_CLAIMED_HIDRAW)
-                hidraw_report_event(hid, data, size);
+        if (hid->claimed & HID_CLAIMED_HIDRAW) {
+                /* numbered reports need to be passed with the report num */
+                if (report_enum->numbered)
+                        hidraw_report_event(hid, data - 1, size + 1);
+                else
+                        hidraw_report_event(hid, data, size);
+        }
 
         for (n = 0; n < report->maxfield; n++)
                 hid_input_field(hid, report->field[n], data, interrupt);