diff options
Diffstat (limited to 'arch/sh/drivers/dma/dma-sysfs.c')
| -rw-r--r-- | arch/sh/drivers/dma/dma-sysfs.c | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/arch/sh/drivers/dma/dma-sysfs.c b/arch/sh/drivers/dma/dma-sysfs.c index 4b15feda54b0..9f666280d80c 100644 --- a/arch/sh/drivers/dma/dma-sysfs.c +++ b/arch/sh/drivers/dma/dma-sysfs.c @@ -1,13 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0 /* * arch/sh/drivers/dma/dma-sysfs.c * * sysfs interface for SH DMA API * * Copyright (C) 2004 - 2006 Paul Mundt - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. */ #include <linux/kernel.h> #include <linux/init.h> @@ -18,7 +15,7 @@ #include <linux/string.h> #include <asm/dma.h> -static struct bus_type dma_subsys = { +static const struct bus_type dma_subsys = { .name = "dma", .dev_name = "dma", }; @@ -48,13 +45,19 @@ static DEVICE_ATTR(devices, S_IRUGO, dma_show_devices, NULL); static int __init dma_subsys_init(void) { + struct device *dev_root; int ret; ret = subsys_system_register(&dma_subsys, NULL); if (unlikely(ret)) return ret; - return device_create_file(dma_subsys.dev_root, &dev_attr_devices); + dev_root = bus_get_dev_root(&dma_subsys); + if (dev_root) { + ret = device_create_file(dev_root, &dev_attr_devices); + put_device(dev_root); + } + return ret; } postcore_initcall(dma_subsys_init); |