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-rw-r--r--arch/powerpc/kernel/sysfs.c14
1 files changed, 12 insertions, 2 deletions
diff --git a/arch/powerpc/kernel/sysfs.c b/arch/powerpc/kernel/sysfs.c
index ef9a61718940..0f39a6b84132 100644
--- a/arch/powerpc/kernel/sysfs.c
+++ b/arch/powerpc/kernel/sysfs.c
@@ -217,13 +217,18 @@ static DEVICE_ATTR(dscr_default, 0600,
static void __init sysfs_create_dscr_default(void)
{
if (cpu_has_feature(CPU_FTR_DSCR)) {
+ struct device *dev_root;
int cpu;
dscr_default = spr_default_dscr;
for_each_possible_cpu(cpu)
paca_ptrs[cpu]->dscr_default = dscr_default;
- device_create_file(cpu_subsys.dev_root, &dev_attr_dscr_default);
+ dev_root = bus_get_dev_root(&cpu_subsys);
+ if (dev_root) {
+ device_create_file(dev_root, &dev_attr_dscr_default);
+ put_device(dev_root);
+ }
}
}
#endif /* CONFIG_PPC64 */
@@ -746,7 +751,12 @@ static DEVICE_ATTR(svm, 0444, show_svm, NULL);
static void __init create_svm_file(void)
{
- device_create_file(cpu_subsys.dev_root, &dev_attr_svm);
+ struct device *dev_root = bus_get_dev_root(&cpu_subsys);
+
+ if (dev_root) {
+ device_create_file(dev_root, &dev_attr_svm);
+ put_device(dev_root);
+ }
}
#else
static void __init create_svm_file(void)