From afa00abb2b68205bee539d7947130d6b1b1ec6e9 Mon Sep 17 00:00:00 2001
From: Marvin Borner
Date: Thu, 1 Apr 2021 19:39:14 +0200
Subject: Hardened entire system

By using the nonnull attribute and replace buffer-overflow-prone
functions like strcpy, strcat and sprintf by strlcpy, strlcat and
snprintf.
---
 kernel/features/mm.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'kernel/features/mm.c')

diff --git a/kernel/features/mm.c b/kernel/features/mm.c
index d01c978..5356ab4 100644
--- a/kernel/features/mm.c
+++ b/kernel/features/mm.c
@@ -417,7 +417,7 @@ struct memory_proc_link {
 static struct list *memory_objects = NULL;
 res memory_sys_alloc(struct page_dir *dir, u32 size, u32 *addr, u32 *id, u8 shared)
 {
-	if (!addr || !memory_valid(addr) || !id || !memory_valid(id))
+	if (!memory_valid(addr) || !memory_valid(id))
 		return -EFAULT;
 
 	size = PAGE_ALIGN_UP(size);
@@ -474,7 +474,7 @@ res memory_sys_free(struct page_dir *dir, u32 addr)
 
 res memory_sys_shaccess(struct page_dir *dir, u32 id, u32 *addr, u32 *size)
 {
-	if (!addr || !memory_valid(addr) || !size || !memory_valid(size))
+	if (!memory_valid(addr) || !memory_valid(size))
 		return -EFAULT;
 
 	*addr = 0;
-- 
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