avoid returning uninitialised var in hidpp_send_report()

ok anton@

diff --git a/sys/dev/usb/uhidpp.c b/sys/dev/usb/uhidpp.c
index 14ec611..d953c7a 100644 (file)
--- a/sys/dev/usb/uhidpp.c
+++ b/sys/dev/usb/uhidpp.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: uhidpp.c,v 1.20 2021/12/05 15:35:32 jsg Exp $ */
+/*     $OpenBSD: uhidpp.c,v 1.21 2021/12/21 07:44:22 jsg Exp $ */
 
 /*
  * Copyright (c) 2021 Anton Lindqvist <anton@openbsd.org>
@@ -1207,7 +1207,7 @@ int
 hidpp_send_report(struct uhidpp_softc *sc, uint8_t report_id,
     struct uhidpp_report *req, struct uhidpp_report *resp)
 {
-       int error, len, n;
+       int error = 0, len, n;
 
        MUTEX_ASSERT_LOCKED(&sc->sc_mtx);