diff options
Diffstat (limited to 'drivers/platform/x86/ibm_rtl.c')
| -rw-r--r-- | drivers/platform/x86/ibm_rtl.c | 21 |
1 files changed, 16 insertions, 5 deletions
diff --git a/drivers/platform/x86/ibm_rtl.c b/drivers/platform/x86/ibm_rtl.c index 5fc665f7d9b3..231b37909801 100644 --- a/drivers/platform/x86/ibm_rtl.c +++ b/drivers/platform/x86/ibm_rtl.c @@ -29,6 +29,7 @@ static bool debug; module_param(debug, bool, 0644); MODULE_PARM_DESC(debug, "Show debug output"); +MODULE_DESCRIPTION("IBM Premium Real Time Mode (PRTM) driver"); MODULE_LICENSE("GPL"); MODULE_AUTHOR("Keith Mannthey <kmmanth@us.ibm.com>"); MODULE_AUTHOR("Vernon Mauery <vernux@us.ibm.com>"); @@ -179,7 +180,7 @@ static ssize_t rtl_set_state(struct device *dev, return ret; } -static struct bus_type rtl_subsys = { +static const struct bus_type rtl_subsys = { .name = "ibm_rtl", .dev_name = "ibm_rtl", }; @@ -199,16 +200,26 @@ static int rtl_setup_sysfs(void) { ret = subsys_system_register(&rtl_subsys, NULL); if (!ret) { - for (i = 0; rtl_attributes[i]; i ++) - device_create_file(rtl_subsys.dev_root, rtl_attributes[i]); + struct device *dev_root = bus_get_dev_root(&rtl_subsys); + + if (dev_root) { + for (i = 0; rtl_attributes[i]; i ++) + device_create_file(dev_root, rtl_attributes[i]); + put_device(dev_root); + } } return ret; } static void rtl_teardown_sysfs(void) { + struct device *dev_root = bus_get_dev_root(&rtl_subsys); int i; - for (i = 0; rtl_attributes[i]; i ++) - device_remove_file(rtl_subsys.dev_root, rtl_attributes[i]); + + if (dev_root) { + for (i = 0; rtl_attributes[i]; i ++) + device_remove_file(dev_root, rtl_attributes[i]); + put_device(dev_root); + } bus_unregister(&rtl_subsys); } |