28 	struct task_struct *task;  in seq_show()  local
30 	task = get_proc_task(m->private);  in seq_show()
31 	if (!task)  in seq_show()
34 	task_lock(task);  in seq_show()
35 	files = task->files;  in seq_show()
53 	task_unlock(task);  in seq_show()
54 	put_task_struct(task);  in seq_show()
80 	struct task_struct *task = get_proc_task(inode);  in proc_fdinfo_access_allowed()  local
82 	if (!task)  in proc_fdinfo_access_allowed()
85 	allowed = ptrace_may_access(task, PTRACE_MODE_READ_FSCREDS);  in proc_fdinfo_access_allowed()
86 	put_task_struct(task);  in proc_fdinfo_access_allowed()
111 static bool tid_fd_mode(struct task_struct *task, unsigned fd, fmode_t *mode)  in tid_fd_mode()  argument
116 	file = task_lookup_fd_rcu(task, fd);  in tid_fd_mode()
123 static void tid_fd_update_inode(struct task_struct *task, struct inode *inode,  in tid_fd_update_inode()  argument
126 	task_dump_owner(task, 0, &inode->i_uid, &inode->i_gid);  in tid_fd_update_inode()
136 	security_task_to_inode(task, inode);  in tid_fd_update_inode()
141 	struct task_struct *task;  in tid_fd_revalidate()  local
149 	task = get_proc_task(inode);  in tid_fd_revalidate()
152 	if (task) {  in tid_fd_revalidate()
154 		if (tid_fd_mode(task, fd, &f_mode)) {  in tid_fd_revalidate()
155 			tid_fd_update_inode(task, inode, f_mode);  in tid_fd_revalidate()
156 			put_task_struct(task);  in tid_fd_revalidate()
159 		put_task_struct(task);  in tid_fd_revalidate()
171 	struct task_struct *task;  in proc_fd_link()  local
174 	task = get_proc_task(d_inode(dentry));  in proc_fd_link()
175 	if (task) {  in proc_fd_link()
179 		fd_file = fget_task(task, fd);  in proc_fd_link()
186 		put_task_struct(task);  in proc_fd_link()
198 	struct task_struct *task, const void *ptr)  in proc_fd_instantiate()  argument
204 	inode = proc_pid_make_inode(dentry->d_sb, task, S_IFLNK);  in proc_fd_instantiate()
215 	tid_fd_update_inode(task, inode, data->mode);  in proc_fd_instantiate()
225 	struct task_struct *task = get_proc_task(dir);  in proc_lookupfd_common()  local
229 	if (!task)  in proc_lookupfd_common()
233 	if (!tid_fd_mode(task, data.fd, &data.mode))  in proc_lookupfd_common()
236 	result = instantiate(dentry, task, &data);  in proc_lookupfd_common()
238 	put_task_struct(task);  in proc_lookupfd_common()
375 	struct task_struct *task, const void *ptr)  in proc_fdinfo_instantiate()  argument
381 	inode = proc_pid_make_inode(dentry->d_sb, task, S_IFREG | S_IRUGO);  in proc_fdinfo_instantiate()
389 	tid_fd_update_inode(task, inode, 0);  in proc_fdinfo_instantiate()