diff options
| -rw-r--r-- | drivers/sh/intc/userimask.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/sh/intc/userimask.c b/drivers/sh/intc/userimask.c index f9f043a3d90a..abe9091827cd 100644 --- a/drivers/sh/intc/userimask.c +++ b/drivers/sh/intc/userimask.c @@ -61,10 +61,18 @@ static DEVICE_ATTR(userimask, S_IRUSR | S_IWUSR, static int __init userimask_sysdev_init(void) { + struct device *dev_root; + int ret = 0; + if (unlikely(!uimask)) return -ENXIO; - return device_create_file(intc_subsys.dev_root, &dev_attr_userimask); + dev_root = bus_get_dev_root(&intc_subsys); + if (dev_root) { + ret = device_create_file(dev_root, &dev_attr_userimask); + put_device(dev_root); + } + return ret; } late_initcall(userimask_sysdev_init); |