yocto-bsp: have replace_file() close file before copying

replace_file needs to make sure the file it's replacing is closed
before replacing it, otherwise unexpected results may ensue.

Fixes [YOCTO #4145].

Signed-off-by: Tom Zanussi <tom.zanussi@linux.intel.com>

diff --git a/scripts/lib/bsp/engine.py b/scripts/lib/bsp/engine.py
index 86cb51c5f43b4a0d5c09d778aca6e042326dacd8..36bd446e2b2536717fd582ea28992705bfd658c1 100644 (file)
--- a/scripts/lib/bsp/engine.py
+++ b/scripts/lib/bsp/engine.py
@@ -571,7 +571,8 @@ def replace_file(replace_this, with_this):
     the original filename.
     """
     try:
-        shutil.copy(with_this, replace_this)
+        replace_this.close()
+        shutil.copy(with_this, replace_this.name)
     except IOError:
         pass