From 9b70d4380c6ec465de4c03d3037785fc208232ac Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Herv=C3=A9=20Poussineau?= <hpoussin@reactos.org>
Date: Sun, 27 Apr 2025 23:39:52 +0200
Subject: [PATCH] [FREELDR] Allow empty RDPATH parameter

In that case, read the whole partition/disk, instead of the selected file.

CORE-14603
---
 boot/freeldr/freeldr/disk/ramdisk.c | 8 ++++----
 boot/freeldr/freeldr/ntldr/winldr.c | 2 +-
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/boot/freeldr/freeldr/disk/ramdisk.c b/boot/freeldr/freeldr/disk/ramdisk.c
index 6306cad88be..2d111d885d9 100644
--- a/boot/freeldr/freeldr/disk/ramdisk.c
+++ b/boot/freeldr/freeldr/disk/ramdisk.c
@@ -272,11 +272,11 @@ RamDiskInitialize(
         }
 
         if (*FileName)
-        {
             Status = RamDiskLoadVirtualFile(FileName, DefaultPath);
-            if (Status != ESUCCESS)
-                return Status;
-        }
+        else
+            Status = RamDiskLoadVirtualFile(DefaultPath, NULL);
+        if (Status != ESUCCESS)
+            return Status;
     }
 
     /* Adjust the Ramdisk image length if needed */
diff --git a/boot/freeldr/freeldr/ntldr/winldr.c b/boot/freeldr/freeldr/ntldr/winldr.c
index 198c673d962..807cf6c73e4 100644
--- a/boot/freeldr/freeldr/ntldr/winldr.c
+++ b/boot/freeldr/freeldr/ntldr/winldr.c
@@ -1114,7 +1114,7 @@ LoadAndBootWindows(
 
     /* Check if a RAM disk file was given */
     FileName = NtLdrGetOptionEx(BootOptions, "RDPATH=", &FileNameLength);
-    if (FileName && (FileNameLength > 7))
+    if (FileName && (FileNameLength >= 7))
     {
         /* Load the RAM disk */
         Status = RamDiskInitialize(FALSE, BootOptions, SystemPartition);