X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=blobdiff_plain;f=SecurityPkg%2FVariableAuthenticated%2FSecureBootConfigDxe%2FSecureBootConfigFileExplorer.c;h=2a26c20f394c0c162d52a76f650616a26d17f292;hp=1b6f88804275dc48886e710d7e01d4be9b59ff41;hb=79b10d4ce4f08aab4b9548fabc4542ca78a96247;hpb=bac308be0c48624334f15c8677069e0596bd00d1

diff --git a/SecurityPkg/VariableAuthenticated/SecureBootConfigDxe/SecureBootConfigFileExplorer.c b/SecurityPkg/VariableAuthenticated/SecureBootConfigDxe/SecureBootConfigFileExplorer.c
index 1b6f888042..2a26c20f39 100644
--- a/SecurityPkg/VariableAuthenticated/SecureBootConfigDxe/SecureBootConfigFileExplorer.c
+++ b/SecurityPkg/VariableAuthenticated/SecureBootConfigDxe/SecureBootConfigFileExplorer.c
@@ -123,6 +123,8 @@ OpenFileByDevicePath(
   EFI_FILE_PROTOCOL               *Handle1;
   EFI_FILE_PROTOCOL               *Handle2;
   EFI_HANDLE                      DeviceHandle;
+  CHAR16                          *PathName;
+  UINTN                           PathLength;
 
   if ((FilePath == NULL || FileHandle == NULL)) {
     return EFI_INVALID_PARAMETER;
@@ -173,6 +175,11 @@ OpenFileByDevicePath(
     //
     Handle2  = Handle1;
     Handle1 = NULL;
+    PathLength = DevicePathNodeLength (*FilePath) - sizeof (EFI_DEVICE_PATH_PROTOCOL);
+    PathName = AllocateCopyPool (PathLength, ((FILEPATH_DEVICE_PATH*)*FilePath)->PathName);
+    if (PathName == NULL) {
+      return EFI_OUT_OF_RESOURCES;
+    }
 
     //
     // Try to test opening an existing file
@@ -180,7 +187,7 @@ OpenFileByDevicePath(
     Status = Handle2->Open (
                           Handle2,
                           &Handle1,
-                          ((FILEPATH_DEVICE_PATH*)*FilePath)->PathName,
+                          PathName,
                           OpenMode &~EFI_FILE_MODE_CREATE,
                           0
                          );
@@ -192,7 +199,7 @@ OpenFileByDevicePath(
       Status = Handle2->Open (
                             Handle2,
                             &Handle1,
-                            ((FILEPATH_DEVICE_PATH*)*FilePath)->PathName,
+                            PathName,
                             OpenMode,
                             Attributes
                            );
@@ -202,6 +209,8 @@ OpenFileByDevicePath(
     //
     Handle2->Close (Handle2);
 
+    FreePool (PathName);
+
     if (EFI_ERROR(Status)) {
       return (Status);
     }