From 007a9c9726e455fc99d7362e3bafaa89bec11ab4 Mon Sep 17 00:00:00 2001 From: Zebediah Figura Date: Thu, 11 Jun 2020 11:16:30 -0500 Subject: [PATCH] setupapi: Reset the source file pointer when comparing files. Signed-off-by: Zebediah Figura Signed-off-by: Alexandre Julliard --- dlls/setupapi/misc.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/dlls/setupapi/misc.c b/dlls/setupapi/misc.c index 3b5d62b682c..3b0c9477747 100644 --- a/dlls/setupapi/misc.c +++ b/dlls/setupapi/misc.c @@ -933,6 +933,8 @@ static BOOL find_existing_inf(const WCHAR *source, WCHAR *target) if (dest_file == INVALID_HANDLE_VALUE) continue; + SetFilePointer( source_file, 0, NULL, FILE_BEGIN ); + if (GetFileSizeEx( dest_file, &dest_file_size ) && dest_file_size.QuadPart == source_file_size.QuadPart && !compare_files( source_file, dest_file ))