From 9d6aeb92d62bf9045cbafaf30e75ede4fe07ddc9 Mon Sep 17 00:00:00 2001
From: Alex Stratford <alexander3.stratford@live.uwe.ac.uk>
Date: Wed, 4 Dec 2019 01:09:28 +0000
Subject: [PATCH] Improved comments

---
 userprog/syscall.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/userprog/syscall.c b/userprog/syscall.c
index a74a83a..c015dd1 100644
--- a/userprog/syscall.c
+++ b/userprog/syscall.c
@@ -84,7 +84,7 @@ syscall_handler (struct intr_frame *f UNUSED)
 static struct list *file_list;
 
 /* Goes through all the files in the file_list and looks for the given file 
- * Descriptor.
+ * Descriptor. Linear search
  */
 void file_search(struct file_map *f) {
 	// Creates a struct to hold the currently checked file
@@ -98,7 +98,7 @@ void file_search(struct file_map *f) {
 		(is_tail(list_element) == false)
 		) {
 		// Swaps the list_element for the next one in place
-		list_next(list_element);
+		list_element = list_next(list_element);
 	}
 	// Copies list_element to current file
 	curr_file->list_element = *list_element;
-- 
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