From 40251bff4256755da962b8243c55c875452b0bb8 Mon Sep 17 00:00:00 2001
From: Eric Pouech <epouech@codeweavers.com>
Date: Wed, 8 Nov 2023 09:26:57 +0100
Subject: [PATCH] wininet: Use SecureZeroMemory() to clear magic fields.

Signed-off-by: Eric Pouech <epouech@codeweavers.com>
---
 dlls/wininet/urlcache.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/dlls/wininet/urlcache.c b/dlls/wininet/urlcache.c
index bad6f34b510..8e43eaae9f3 100644
--- a/dlls/wininet/urlcache.c
+++ b/dlls/wininet/urlcache.c
@@ -3630,7 +3630,8 @@ BOOL WINAPI FindCloseUrlCache(HANDLE hEnumHandle)
         return FALSE;
     }
 
-    pEntryHandle->magic = 0;
+    /* Ensure compiler doesn't optimize out the assignment with 0. */
+    SecureZeroMemory(&pEntryHandle->magic, sizeof(pEntryHandle->magic));
     free(pEntryHandle->url_search_pattern);
     free(pEntryHandle);
     return TRUE;