From ddaa8ae47a58317cf677a62c4beef62279d4a4da Mon Sep 17 00:00:00 2001
From: Mounir IDRASSI <mounir.idrassi@idrix.fr>
Date: Fri, 18 Jan 2019 16:37:39 +0100
Subject: Fix bug in file copy operation by deleting destination file first if
 it already exists

---
 Library/CommonLib/EfiFile.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Library/CommonLib/EfiFile.c b/Library/CommonLib/EfiFile.c
index 4839eae..8a9d6d7 100644
--- a/Library/CommonLib/EfiFile.c
+++ b/Library/CommonLib/EfiFile.c
@@ -378,7 +378,8 @@ FileCopy(
 		res = EFI_BUFFER_TOO_SMALL;
 		goto copyerr;
 	}
-
+	
+	FileDelete (dstroot, dst);
 	res = FileOpen(dstroot, dst, &dstfile, EFI_FILE_MODE_CREATE | EFI_FILE_MODE_WRITE | EFI_FILE_MODE_READ, 0);
 	if (EFI_ERROR(res)) goto copyerr;
 
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