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-rw-r--r--lib/kobject.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/lib/kobject.c b/lib/kobject.c
index 1d46c151a4ae..962175134702 100644
--- a/lib/kobject.c
+++ b/lib/kobject.c
@@ -931,6 +931,21 @@ const struct kobj_ns_type_operations *kobj_ns_ops(struct kobject *kobj)
931 return kobj_child_ns_ops(kobj->parent); 931 return kobj_child_ns_ops(kobj->parent);
932} 932}
933 933
934bool kobj_ns_current_may_mount(enum kobj_ns_type type)
935{
936 bool may_mount = false;
937
938 if (type == KOBJ_NS_TYPE_NONE)
939 return true;
940
941 spin_lock(&kobj_ns_type_lock);
942 if ((type > KOBJ_NS_TYPE_NONE) && (type < KOBJ_NS_TYPES) &&
943 kobj_ns_ops_tbl[type])
944 may_mount = kobj_ns_ops_tbl[type]->current_may_mount();
945 spin_unlock(&kobj_ns_type_lock);
946
947 return may_mount;
948}
934 949
935void *kobj_ns_grab_current(enum kobj_ns_type type) 950void *kobj_ns_grab_current(enum kobj_ns_type type)
936{ 951{