47 	struct task_struct *task;  in proc_ns_get_link()  local
54 	task = get_proc_task(inode);  in proc_ns_get_link()
55 	if (!task)  in proc_ns_get_link()
58 	error = down_read_killable(&task->signal->exec_update_lock);  in proc_ns_get_link()
63 	if (!ptrace_may_access(task, PTRACE_MODE_READ_FSCREDS))  in proc_ns_get_link()
66 	error = ns_get_path(&ns_path, task, ns_ops);  in proc_ns_get_link()
72 	up_read(&task->signal->exec_update_lock);  in proc_ns_get_link()
74 	put_task_struct(task);  in proc_ns_get_link()
82 	struct task_struct *task;  in proc_ns_readlink()  local
86 	task = get_proc_task(inode);  in proc_ns_readlink()
87 	if (!task)  in proc_ns_readlink()
90 	res = down_read_killable(&task->signal->exec_update_lock);  in proc_ns_readlink()
95 	if (ptrace_may_access(task, PTRACE_MODE_READ_FSCREDS)) {  in proc_ns_readlink()
96 		res = ns_get_name(name, sizeof(name), task, ns_ops);  in proc_ns_readlink()
100 	up_read(&task->signal->exec_update_lock);  in proc_ns_readlink()
102 	put_task_struct(task);  in proc_ns_readlink()
113 	struct task_struct *task, const void *ptr)  in proc_ns_instantiate()  argument
119 	inode = proc_pid_make_inode(dentry->d_sb, task, S_IFLNK | S_IRWXUGO);  in proc_ns_instantiate()
126 	pid_update_inode(task, inode);  in proc_ns_instantiate()
133 	struct task_struct *task = get_proc_task(file_inode(file));  in proc_ns_dir_readdir()  local
136 	if (!task)  in proc_ns_dir_readdir()
148 				     proc_ns_instantiate, task, ops))  in proc_ns_dir_readdir()
154 	put_task_struct(task);  in proc_ns_dir_readdir()
167 	struct task_struct *task = get_proc_task(dir);  in proc_ns_dir_lookup()  local
172 	if (!task)  in proc_ns_dir_lookup()
185 	res = proc_ns_instantiate(dentry, task, *entry);  in proc_ns_dir_lookup()
187 	put_task_struct(task);  in proc_ns_dir_lookup()