From: kettenis <kettenis@openbsd.org>
Date: Mon, 6 Dec 2021 18:02:58 +0000 (+0000)
Subject: Add missing short-circuit in bcmpcie_dmamap_load_raw().
X-Git-Url: http://artulab.com/gitweb/?a=commitdiff_plain;h=a8a0f5312628f812dc675fdd91fd18a6ca91ae77;p=openbsd

Add missing short-circuit in bcmpcie_dmamap_load_raw().

ok patrick@
---

diff --git a/sys/dev/fdt/bcm2711_pcie.c b/sys/dev/fdt/bcm2711_pcie.c
index 5e153e1340c..2c980dd3052 100644
--- a/sys/dev/fdt/bcm2711_pcie.c
+++ b/sys/dev/fdt/bcm2711_pcie.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: bcm2711_pcie.c,v 1.9 2021/12/04 16:08:02 kettenis Exp $	*/
+/*	$OpenBSD: bcm2711_pcie.c,v 1.10 2021/12/06 18:02:58 kettenis Exp $	*/
 /*
  * Copyright (c) 2020 Mark Kettenis <kettenis@openbsd.org>
  *
@@ -551,6 +551,9 @@ bcmpcie_dmamap_load_raw(bus_dma_tag_t t, bus_dmamap_t map,
 	if (error)
 		return error;
 
+	if (sc->sc_dmaranges == NULL)
+		return 0;
+
 	/* For each segment. */
 	for (seg = 0; seg < map->dm_nsegs; seg++) {
 		uint64_t addr = map->dm_segs[seg].ds_addr;