diff --git a/code/lkm.c b/code/lkm.c
index 5124ed174..1567a0326 100644
--- a/code/lkm.c
+++ b/code/lkm.c
@@ -44,18 +44,21 @@ int
 lkm_open(struct inode *inode, struct file *fp)
 {
 	printk(KERN_INFO "lkm: open: start");
+	return 0;
 }
 
 int
 lkm_release(struct inode *inode, struct file *fp)
 {
 	printk(KERN_INFO "lkm: release: start");
+	return 0;
 }
 
 long
 lkm_ioctl(struct file *fp, unsigned num, long unsigned int param)
 {
 	printk(KERN_INFO "lkm: release: start");
+	return 0;
 }
 
 MODULE_AUTHOR("Mira Chacku Purakal");