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authorRandy Dunlap <rdunlap@xenotime.net>2006-07-12 02:08:00 -0400
committerLen Brown <len.brown@intel.com>2006-07-12 12:51:18 -0400
commit9b6d97b64eff08b368375efcf9c1d01eba582ea2 (patch)
tree5fbb5ee62e4e28d9c7d6cd80aa8b6b0bcd071b91
parentd568df84f987a9321c1f5826a6c8678ef2bb2b70 (diff)
ACPI: scan: handle kset/kobject errors
Check and handle kset_register() and kobject_register() init errors. Signed-off-by: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: Len Brown <len.brown@intel.com>
-rw-r--r--drivers/acpi/scan.c12
1 files changed, 10 insertions, 2 deletions
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index 5fcb50c7b77..698a1540e30 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -4,6 +4,7 @@
#include <linux/module.h>
#include <linux/init.h>
+#include <linux/kernel.h>
#include <linux/acpi.h>
#include <acpi/acpi_drivers.h>
@@ -113,6 +114,8 @@ static struct kset acpi_namespace_kset = {
static void acpi_device_register(struct acpi_device *device,
struct acpi_device *parent)
{
+ int err;
+
/*
* Linkage
* -------
@@ -138,7 +141,10 @@ static void acpi_device_register(struct acpi_device *device,
device->kobj.parent = &parent->kobj;
device->kobj.ktype = &ktype_acpi_ns;
device->kobj.kset = &acpi_namespace_kset;
- kobject_register(&device->kobj);
+ err = kobject_register(&device->kobj);
+ if (err < 0)
+ printk(KERN_WARNING "%s: kobject_register error: %d\n",
+ __FUNCTION__, err);
create_sysfs_device_files(device);
}
@@ -1450,7 +1456,9 @@ static int __init acpi_scan_init(void)
if (acpi_disabled)
return 0;
- kset_register(&acpi_namespace_kset);
+ result = kset_register(&acpi_namespace_kset);
+ if (result < 0)
+ printk(KERN_ERR PREFIX "kset_register error: %d\n", result);
result = bus_register(&acpi_bus_type);
if (result) {