HID: core: do not bypass hid_hw_raw_request

commit c2ca42f upstream.

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 <stern@rowland.harvard.edu>
Closes: https://lore.kernel.org/linux-input/c75433e0-9b47-4072-bbe8-b1d14ea97b13@rowland.harvard.edu/
Cc: stable@vger.kernel.org
Link: https://patch.msgid.link/20250710-report-size-null-v2-3-ccf922b7c4e5@kernel.org
Signed-off-by: Benjamin Tissoires <bentiss@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Author: Benjamin Tissoires

drivers/hid/hid-core.c

@@ -1986,8 +1986,7 @@ 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;