From: drahn <drahn@openbsd.org>
Date: Sat, 22 May 2021 17:07:28 +0000 (+0000)
Subject: Cast line_size to address width before using for alignment.
X-Git-Url: http://artulab.com/gitweb/?a=commitdiff_plain;h=69f9b600bc06797db3d0e01d555f6f9ead69a975;p=openbsd

Cast line_size to address width before using for alignment.
ok kettenis@
---

diff --git a/sys/arch/riscv64/dev/sfcc.c b/sys/arch/riscv64/dev/sfcc.c
index b05401d7e50..7b87447094c 100644
--- a/sys/arch/riscv64/dev/sfcc.c
+++ b/sys/arch/riscv64/dev/sfcc.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: sfcc.c,v 1.1 2021/05/05 19:26:51 kettenis Exp $	*/
+/*	$OpenBSD: sfcc.c,v 1.2 2021/05/22 17:07:28 drahn Exp $	*/
 /*
  * Copyright (c) 2021 Mark Kettenis <kettenis@openbsd.org>
  *
@@ -98,7 +98,7 @@ sfcc_cache_wbinv_range(paddr_t pa, paddr_t len)
 	struct sfcc_softc *sc = sfcc_sc;
 
 	len += pa & (sc->sc_line_size - 1);
-	pa &= ~(sc->sc_line_size - 1);
+	pa &= ~((paddr_t)sc->sc_line_size - 1);
 
 	__asm volatile ("fence iorw,iorw" ::: "memory");
 	while (len > 0) {