diff --git a/fs/char_dev.c b/fs/char_dev.c
index f80a4f2..e4a3318 100644
--- a/fs/char_dev.c
+++ b/fs/char_dev.c
@@ -454,6 +454,7 @@
  */
 const struct file_operations def_chr_fops = {
 	.open = chrdev_open,
+	.llseek = noop_llseek,
 };
 
 static struct kobject *exact_match(dev_t dev, int *part, void *data)