26 	struct task_struct *task;  in seq_show()  local
28 	task = get_proc_task(m->private);  in seq_show()
29 	if (!task)  in seq_show()
32 	task_lock(task);  in seq_show()
33 	files = task->files;  in seq_show()
51 	task_unlock(task);  in seq_show()
52 	put_task_struct(task);  in seq_show()
78 	struct task_struct *task = get_proc_task(inode);  in proc_fdinfo_access_allowed()  local
80 	if (!task)  in proc_fdinfo_access_allowed()
83 	allowed = ptrace_may_access(task, PTRACE_MODE_READ_FSCREDS);  in proc_fdinfo_access_allowed()
84 	put_task_struct(task);  in proc_fdinfo_access_allowed()
109 static bool tid_fd_mode(struct task_struct *task, unsigned fd, fmode_t *mode)  in tid_fd_mode()  argument
114 	file = task_lookup_fd_rcu(task, fd);  in tid_fd_mode()
121 static void tid_fd_update_inode(struct task_struct *task, struct inode *inode,  in tid_fd_update_inode()  argument
124 	task_dump_owner(task, 0, &inode->i_uid, &inode->i_gid);  in tid_fd_update_inode()
134 	security_task_to_inode(task, inode);  in tid_fd_update_inode()
139 	struct task_struct *task;  in tid_fd_revalidate()  local
147 	task = get_proc_task(inode);  in tid_fd_revalidate()
150 	if (task) {  in tid_fd_revalidate()
152 		if (tid_fd_mode(task, fd, &f_mode)) {  in tid_fd_revalidate()
153 			tid_fd_update_inode(task, inode, f_mode);  in tid_fd_revalidate()
154 			put_task_struct(task);  in tid_fd_revalidate()
157 		put_task_struct(task);  in tid_fd_revalidate()
169 	struct task_struct *task;  in proc_fd_link()  local
172 	task = get_proc_task(d_inode(dentry));  in proc_fd_link()
173 	if (task) {  in proc_fd_link()
177 		fd_file = fget_task(task, fd);  in proc_fd_link()
184 		put_task_struct(task);  in proc_fd_link()
196 	struct task_struct *task, const void *ptr)  in proc_fd_instantiate()  argument
202 	inode = proc_pid_make_inode(dentry->d_sb, task, S_IFLNK);  in proc_fd_instantiate()
213 	tid_fd_update_inode(task, inode, data->mode);  in proc_fd_instantiate()
223 	struct task_struct *task = get_proc_task(dir);  in proc_lookupfd_common()  local
227 	if (!task)  in proc_lookupfd_common()
231 	if (!tid_fd_mode(task, data.fd, &data.mode))  in proc_lookupfd_common()
234 	result = instantiate(dentry, task, &data);  in proc_lookupfd_common()
236 	put_task_struct(task);  in proc_lookupfd_common()
329 	struct task_struct *task, const void *ptr)  in proc_fdinfo_instantiate()  argument
335 	inode = proc_pid_make_inode(dentry->d_sb, task, S_IFREG | S_IRUGO);  in proc_fdinfo_instantiate()
343 	tid_fd_update_inode(task, inode, 0);  in proc_fdinfo_instantiate()