From d5388ad5d06174598ced78f642b9f0d165f81fdf Mon Sep 17 00:00:00 2001
From: Anton Kling <anton@kling.gg>
Date: Wed, 30 Oct 2024 00:27:56 +0100
Subject: kernel/mmu: Make sure to check for NULL.

---
 kernel/arch/i386/mmu.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'kernel/arch')

diff --git a/kernel/arch/i386/mmu.c b/kernel/arch/i386/mmu.c
index a59eccf..1e00f17 100644
--- a/kernel/arch/i386/mmu.c
+++ b/kernel/arch/i386/mmu.c
@@ -198,10 +198,10 @@ PageTable *clone_table(u32 src_index, PageDirectory *src_directory,
                        u32 *physical_address) {
   PageTable *new_table =
       kmalloc_align(sizeof(PageTable), (void **)physical_address);
-  memset(new_table, 0, sizeof(PageTable));
   if (!new_table) {
     return NULL;
   }
+  memset(new_table, 0, sizeof(PageTable));
   PageTable *src = src_directory->tables[src_index];
 
   // Copy all the pages
-- 
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