561 static ssize_t mqueue_read_file(struct file *filp, char __user *u_data,  in mqueue_read_file()
589 static int mqueue_flush_file(struct file *filp, fl_owner_t id)  in mqueue_flush_file()
601 static __poll_t mqueue_poll_file(struct file *filp, struct poll_table_struct *poll_tab)  in mqueue_poll_file()
827 		struct file *file = dentry_open(&path, oflag, current_cred());  in do_mq_open()  local
828 		if (!IS_ERR(file))  in do_mq_open()
829 			fd_install(fd, file);  in do_mq_open()
831 			error = PTR_ERR(file);  in do_mq_open()
989 	if (unlikely(!f.file)) {  in do_mq_timedsend()
994 	inode = file_inode(f.file);  in do_mq_timedsend()
995 	if (unlikely(f.file->f_op != &mqueue_file_operations)) {  in do_mq_timedsend()
1000 	audit_file(f.file);  in do_mq_timedsend()
1002 	if (unlikely(!(f.file->f_mode & FMODE_WRITE))) {  in do_mq_timedsend()
1042 		if (f.file->f_flags & O_NONBLOCK) {  in do_mq_timedsend()
1102 	if (unlikely(!f.file)) {  in do_mq_timedreceive()
1107 	inode = file_inode(f.file);  in do_mq_timedreceive()
1108 	if (unlikely(f.file->f_op != &mqueue_file_operations)) {  in do_mq_timedreceive()
1113 	audit_file(f.file);  in do_mq_timedreceive()
1115 	if (unlikely(!(f.file->f_mode & FMODE_READ))) {  in do_mq_timedreceive()
1145 		if (f.file->f_flags & O_NONBLOCK) {  in do_mq_timedreceive()
1258 			if (!f.file) {  in do_mq_notify()
1262 			sock = netlink_getsockbyfilp(f.file);  in do_mq_notify()
1281 	if (!f.file) {  in do_mq_notify()
1286 	inode = file_inode(f.file);  in do_mq_notify()
1287 	if (unlikely(f.file->f_op != &mqueue_file_operations)) {  in do_mq_notify()
1360 	if (!f.file)  in do_mq_getsetattr()
1363 	if (unlikely(f.file->f_op != &mqueue_file_operations)) {  in do_mq_getsetattr()
1368 	inode = file_inode(f.file);  in do_mq_getsetattr()
1375 		old->mq_flags = f.file->f_flags & O_NONBLOCK;  in do_mq_getsetattr()
1379 		spin_lock(&f.file->f_lock);  in do_mq_getsetattr()
1381 			f.file->f_flags |= O_NONBLOCK;  in do_mq_getsetattr()
1383 			f.file->f_flags &= ~O_NONBLOCK;  in do_mq_getsetattr()
1384 		spin_unlock(&f.file->f_lock);  in do_mq_getsetattr()