[PATCH] nsproxy: use put_nsproxy() in switch_task_namespaces()

From: Hui Su
Date: Sun Nov 15 2020 - 13:01:53 EST


Use put_nsproxy() instead of '
if (atomic_dec_and_test(&ns->count)) {
free_nsproxy(ns);
}' in switch_task_namespaces().

and remove the whitespace by the way.

Signed-off-by: Hui Su <sh_def@xxxxxxx>
---
kernel/nsproxy.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/kernel/nsproxy.c b/kernel/nsproxy.c
index 12dd41b39a7f..3ebfd090398a 100644
--- a/kernel/nsproxy.c
+++ b/kernel/nsproxy.c
@@ -173,7 +173,7 @@ int copy_namespaces(unsigned long flags, struct task_struct *tsk)
* it along with CLONE_NEWIPC.
*/
if ((flags & (CLONE_NEWIPC | CLONE_SYSVSEM)) ==
- (CLONE_NEWIPC | CLONE_SYSVSEM))
+ (CLONE_NEWIPC | CLONE_SYSVSEM))
return -EINVAL;

new_ns = create_new_namespaces(flags, tsk, user_ns, tsk->fs);
@@ -250,8 +250,8 @@ void switch_task_namespaces(struct task_struct *p, struct nsproxy *new)
p->nsproxy = new;
task_unlock(p);

- if (ns && atomic_dec_and_test(&ns->count))
- free_nsproxy(ns);
+ if (ns)
+ put_nsproxy(ns);
}

void exit_task_namespaces(struct task_struct *p)
--
2.29.0