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()
51 	task_unlock(task);  in seq_show()
52 	put_task_struct(task);  in seq_show()
89 	struct task_struct *task = get_proc_task(inode);  in proc_fdinfo_permission()  local
91 	if (!task)  in proc_fdinfo_permission()
94 	allowed = ptrace_may_access(task, PTRACE_MODE_READ_FSCREDS);  in proc_fdinfo_permission()
95 	put_task_struct(task);  in proc_fdinfo_permission()
115 static bool tid_fd_mode(struct task_struct *task, unsigned fd, fmode_t *mode)  in tid_fd_mode()  argument
119 	file = fget_task(task, fd);  in tid_fd_mode()
127 static void tid_fd_update_inode(struct task_struct *task, struct inode *inode,  in tid_fd_update_inode()  argument
130 	task_dump_owner(task, 0, &inode->i_uid, &inode->i_gid);  in tid_fd_update_inode()
140 	security_task_to_inode(task, inode);  in tid_fd_update_inode()
145 	struct task_struct *task;  in tid_fd_revalidate()  local
153 	task = get_proc_task(inode);  in tid_fd_revalidate()
156 	if (task) {  in tid_fd_revalidate()
158 		if (tid_fd_mode(task, fd, &f_mode)) {  in tid_fd_revalidate()
159 			tid_fd_update_inode(task, inode, f_mode);  in tid_fd_revalidate()
160 			put_task_struct(task);  in tid_fd_revalidate()
163 		put_task_struct(task);  in tid_fd_revalidate()
175 	struct task_struct *task;  in proc_fd_link()  local
178 	task = get_proc_task(d_inode(dentry));  in proc_fd_link()
179 	if (task) {  in proc_fd_link()
183 		fd_file = fget_task(task, fd);  in proc_fd_link()
190 		put_task_struct(task);  in proc_fd_link()
202 	struct task_struct *task, const void *ptr)  in proc_fd_instantiate()  argument
208 	inode = proc_pid_make_inode(dentry->d_sb, task, S_IFLNK);  in proc_fd_instantiate()
219 	tid_fd_update_inode(task, inode, data->mode);  in proc_fd_instantiate()
229 	struct task_struct *task = get_proc_task(dir);  in proc_lookupfd_common()  local
233 	if (!task)  in proc_lookupfd_common()
237 	if (!tid_fd_mode(task, data.fd, &data.mode))  in proc_lookupfd_common()
240 	result = instantiate(dentry, task, &data);  in proc_lookupfd_common()
242 	put_task_struct(task);  in proc_lookupfd_common()
376 	struct task_struct *task, const void *ptr)  in proc_fdinfo_instantiate()  argument
382 	inode = proc_pid_make_inode(dentry->d_sb, task, S_IFREG | S_IRUGO);  in proc_fdinfo_instantiate()
392 	tid_fd_update_inode(task, inode, 0);  in proc_fdinfo_instantiate()