635 static ssize_t mqueue_read_file(struct file *filp, char __user *u_data,  in mqueue_read_file()
663 static int mqueue_flush_file(struct file *filp, fl_owner_t id)  in mqueue_flush_file()
675 static __poll_t mqueue_poll_file(struct file *filp, struct poll_table_struct *poll_tab)  in mqueue_poll_file()
922 		struct file *file = dentry_open(&path, oflag, current_cred());  in do_mq_open()  local
923 		if (!IS_ERR(file))  in do_mq_open()
924 			fd_install(fd, file);  in do_mq_open()
926 			error = PTR_ERR(file);  in do_mq_open()
1086 	if (unlikely(!f.file)) {  in do_mq_timedsend()
1091 	inode = file_inode(f.file);  in do_mq_timedsend()
1092 	if (unlikely(f.file->f_op != &mqueue_file_operations)) {  in do_mq_timedsend()
1097 	audit_file(f.file);  in do_mq_timedsend()
1099 	if (unlikely(!(f.file->f_mode & FMODE_WRITE))) {  in do_mq_timedsend()
1139 		if (f.file->f_flags & O_NONBLOCK) {  in do_mq_timedsend()
1201 	if (unlikely(!f.file)) {  in do_mq_timedreceive()
1206 	inode = file_inode(f.file);  in do_mq_timedreceive()
1207 	if (unlikely(f.file->f_op != &mqueue_file_operations)) {  in do_mq_timedreceive()
1212 	audit_file(f.file);  in do_mq_timedreceive()
1214 	if (unlikely(!(f.file->f_mode & FMODE_READ))) {  in do_mq_timedreceive()
1244 		if (f.file->f_flags & O_NONBLOCK) {  in do_mq_timedreceive()
1359 			if (!f.file) {  in do_mq_notify()
1363 			sock = netlink_getsockbyfilp(f.file);  in do_mq_notify()
1382 	if (!f.file) {  in do_mq_notify()
1387 	inode = file_inode(f.file);  in do_mq_notify()
1388 	if (unlikely(f.file->f_op != &mqueue_file_operations)) {  in do_mq_notify()
1462 	if (!f.file)  in do_mq_getsetattr()
1465 	if (unlikely(f.file->f_op != &mqueue_file_operations)) {  in do_mq_getsetattr()
1470 	inode = file_inode(f.file);  in do_mq_getsetattr()
1477 		old->mq_flags = f.file->f_flags & O_NONBLOCK;  in do_mq_getsetattr()
1481 		spin_lock(&f.file->f_lock);  in do_mq_getsetattr()
1483 			f.file->f_flags |= O_NONBLOCK;  in do_mq_getsetattr()
1485 			f.file->f_flags &= ~O_NONBLOCK;  in do_mq_getsetattr()
1486 		spin_unlock(&f.file->f_lock);  in do_mq_getsetattr()