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-rw-r--r--fs/proc_namespace.c8
1 files changed, 3 insertions, 5 deletions
diff --git a/fs/proc_namespace.c b/fs/proc_namespace.c
index 1a81373..73ca174 100644
--- a/fs/proc_namespace.c
+++ b/fs/proc_namespace.c
@@ -232,17 +232,15 @@ static int mounts_open_common(struct inode *inode, struct file *file,
if (!task)
goto err;
- rcu_read_lock();
- nsp = task_nsproxy(task);
+ task_lock(task);
+ nsp = task->nsproxy;
if (!nsp || !nsp->mnt_ns) {
- rcu_read_unlock();
+ task_unlock(task);
put_task_struct(task);
goto err;
}
ns = nsp->mnt_ns;
get_mnt_ns(ns);
- rcu_read_unlock();
- task_lock(task);
if (!task->fs) {
task_unlock(task);
put_task_struct(task);
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