diff options
Diffstat (limited to 'include/linux/namespace.h')
| -rw-r--r-- | include/linux/namespace.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/include/linux/namespace.h b/include/linux/namespace.h index 9eca1558d72..0e5a86f13b2 100644 --- a/include/linux/namespace.h +++ b/include/linux/namespace.h @@ -12,13 +12,13 @@ struct namespace { struct rw_semaphore sem; }; -extern void umount_tree(struct vfsmount *); extern int copy_namespace(int, struct task_struct *); extern void __put_namespace(struct namespace *namespace); static inline void put_namespace(struct namespace *namespace) { - if (atomic_dec_and_test(&namespace->count)) + if (atomic_dec_and_lock(&namespace->count, &vfsmount_lock)) + /* releases vfsmount_lock */ __put_namespace(namespace); } |