[src/trunk]: src/sys/external/bsd/drm2/dist/drm/nouveau/nvkm/subdev/gpio Calc...

[msaitoh <msaitoh%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/37386978dda8
branches:  trunk
changeset: 1008730:37386978dda8
user:      msaitoh <msaitoh%NetBSD.org@localhost>
date:      Wed Apr 01 15:57:46 2020 +0000

description:
Calculate mask correctly for bit 31 in nvkm_gpio_fini(). Found by kUBSan.

diffstat:

 sys/external/bsd/drm2/dist/drm/nouveau/nvkm/subdev/gpio/nouveau_nvkm_subdev_gpio_base.c |  6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diffs (27 lines):

diff -r 4ef186a18a4a -r 37386978dda8 sys/external/bsd/drm2/dist/drm/nouveau/nvkm/subdev/gpio/nouveau_nvkm_subdev_gpio_base.c
--- a/sys/external/bsd/drm2/dist/drm/nouveau/nvkm/subdev/gpio/nouveau_nvkm_subdev_gpio_base.c   Wed Apr 01 15:55:52 2020 +0000
+++ b/sys/external/bsd/drm2/dist/drm/nouveau/nvkm/subdev/gpio/nouveau_nvkm_subdev_gpio_base.c   Wed Apr 01 15:57:46 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: nouveau_nvkm_subdev_gpio_base.c,v 1.2 2018/08/27 04:58:34 riastradh Exp $      */
+/*     $NetBSD: nouveau_nvkm_subdev_gpio_base.c,v 1.3 2020/04/01 15:57:46 msaitoh Exp $        */
 
 /*
  * Copyright 2011 Red Hat Inc.
@@ -24,7 +24,7 @@
  * Authors: Ben Skeggs
  */
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: nouveau_nvkm_subdev_gpio_base.c,v 1.2 2018/08/27 04:58:34 riastradh Exp $");
+__KERNEL_RCSID(0, "$NetBSD: nouveau_nvkm_subdev_gpio_base.c,v 1.3 2020/04/01 15:57:46 msaitoh Exp $");
 
 #include "priv.h"
 
@@ -169,7 +169,7 @@
 nvkm_gpio_fini(struct nvkm_subdev *subdev, bool suspend)
 {
        struct nvkm_gpio *gpio = nvkm_gpio(subdev);
-       u32 mask = (1 << gpio->func->lines) - 1;
+       u32 mask = (1ULL << gpio->func->lines) - 1;
 
        gpio->func->intr_mask(gpio, NVKM_GPIO_TOGGLED, mask, 0);
        gpio->func->intr_stat(gpio, &mask, &mask);