namespace: make timens_on_fork() return nothing

timens_on_fork() always return 0, and maybe not
need to judge the return value in copy_namespaces().

So make timens_on_fork() return nothing and do not
judge its return val in copy_namespaces().

Signed-off-by: Hui Su <sh_def@163.com>
Link: https://lore.kernel.org/r/20201117161750.GA45121@rlk
Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

1 files changed, 3 insertions, 3 deletions

diff --git a/include/linux/time_namespace.h b/include/linux/time_namespace.h
index 68770ac9ba89..30312166e70a 100644
--- a/include/linux/time_namespace.h
+++ b/include/linux/time_namespace.h
@@ -45,7 +45,7 @@ struct time_namespace *copy_time_ns(unsigned long flags,
 				    struct user_namespace *user_ns,
 				    struct time_namespace *old_ns);
 void free_time_ns(struct kref *kref);
-int timens_on_fork(struct nsproxy *nsproxy, struct task_struct *tsk);
+void timens_on_fork(struct nsproxy *nsproxy, struct task_struct *tsk);
 struct vdso_data *arch_get_vdso_data(void *vvar_page);
 
 static inline void put_time_ns(struct time_namespace *ns)
@@ -136,10 +136,10 @@ struct time_namespace *copy_time_ns(unsigned long flags,
 	return old_ns;
 }
 
-static inline int timens_on_fork(struct nsproxy *nsproxy,
+static inline void timens_on_fork(struct nsproxy *nsproxy,
 				 struct task_struct *tsk)
 {
-	return 0;
+	return;
 }
 
 static inline void timens_add_monotonic(struct timespec64 *ts) { }