[PATCH] nsproxy: remove judge of timens_on_fork()'s return val

From: Hui Su
Date: Sun Nov 15 2020 - 13:16:14 EST


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

Signed-off-by: Hui Su <sh_def@xxxxxxx>
---
kernel/nsproxy.c | 7 +------
1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/kernel/nsproxy.c b/kernel/nsproxy.c
index 12dd41b39a7f..e2e6c5dc433f 100644
--- a/kernel/nsproxy.c
+++ b/kernel/nsproxy.c
@@ -153,7 +153,6 @@ int copy_namespaces(unsigned long flags, struct task_struct *tsk)
struct nsproxy *old_ns = tsk->nsproxy;
struct user_namespace *user_ns = task_cred_xxx(tsk, user_ns);
struct nsproxy *new_ns;
- int ret;

if (likely(!(flags & (CLONE_NEWNS | CLONE_NEWUTS | CLONE_NEWIPC |
CLONE_NEWPID | CLONE_NEWNET |
@@ -180,11 +179,7 @@ int copy_namespaces(unsigned long flags, struct task_struct *tsk)
if (IS_ERR(new_ns))
return PTR_ERR(new_ns);

- ret = timens_on_fork(new_ns, tsk);
- if (ret) {
- free_nsproxy(new_ns);
- return ret;
- }
+ timens_on_fork(new_ns, tsk);

tsk->nsproxy = new_ns;
return 0;
--
2.29.0