avoid uninitialised variable use in an error path

ok kettenis@

diff --git a/sys/dev/fdt/rkpcie.c b/sys/dev/fdt/rkpcie.c
index df5fc1b..ad140d8 100644 (file)
--- a/sys/dev/fdt/rkpcie.c
+++ b/sys/dev/fdt/rkpcie.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: rkpcie.c,v 1.5 2018/08/06 10:52:30 patrick Exp $      */
+/*     $OpenBSD: rkpcie.c,v 1.6 2018/08/28 09:33:18 jsg Exp $  */
 /*
  * Copyright (c) 2018 Mark Kettenis <kettenis@openbsd.org>
  *
@@ -314,7 +314,7 @@ rkpcie_attach(struct device *parent, struct device *self, void *aux)
 void
 rkpcie_atr_init(struct rkpcie_softc *sc)
 {
-       uint32_t *ranges;
+       uint32_t *ranges = NULL;
        struct extent *ex;
        bus_addr_t addr;
        bus_size_t size, offset;