Check if we have the required "reg" property.

diff --git a/sys/arch/armv7/sunxi/sxiehci.c b/sys/arch/armv7/sunxi/sxiehci.c
index e02da5d..1d86fd0 100644 (file)
--- a/sys/arch/armv7/sunxi/sxiehci.c
+++ b/sys/arch/armv7/sunxi/sxiehci.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: sxiehci.c,v 1.5 2016/08/05 19:00:25 kettenis Exp $ */
+/*     $OpenBSD: sxiehci.c,v 1.6 2016/08/05 21:28:13 kettenis Exp $ */
 
 /*
  * Copyright (c) 2005 David Gwynne <dlg@openbsd.org>
@@ -122,6 +122,9 @@ sxiehci_attach(struct device *parent, struct device *self, void *aux)
        usbd_status              r;
        char                    *devname = sc->sc.sc_bus.bdev.dv_xname;
 
+       if (faa->fa_nreg < 1)
+               return;
+
        sc->sc.iot = faa->fa_iot;
        sc->sc.sc_bus.dmatag = faa->fa_dmat;
        sc->sc.sc_size = faa->fa_reg[0].size;