HID: core: do not bypass hid_hw_raw_request

hid_hw_raw_request() is actually useful to ensure the provided buffer
and length are valid. Directly calling in the low level transport driver
function bypassed those checks and allowed invalid paramto be used.

Reported-by: Alan Stern <[email protected]>
Closes: https://lore.kernel.org/linux-input/[email protected]/
Cc: [email protected]
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Benjamin Tissoires <[email protected]>

Author: Benjamin Tissoires

drivers/hid/hid-core.c

@@ -1996,8 +1996,7 @@ int __hid_request(struct hid_device *hid, struct hid_report *report,
 	if (reqtype == HID_REQ_SET_REPORT)
 		hid_output_report(report, data_buf);
 
-	ret = hid->ll_driver->raw_request(hid, report->id, buf, len,
-					  report->type, reqtype);
+	ret = hid_hw_raw_request(hid, report->id, buf, len, report->type, reqtype);
 	if (ret < 0) {
 		dbg_hid("unable to complete request: %d\n", ret);
 		goto out;