From: Simon Glass <sjg@chromium.org>
Date: Tue, 6 Jul 2021 16:36:40 +0000 (-0600)
Subject: patman: Use bytearray instead of string
X-Git-Url: http://git.dujemihanovic.xyz/img/static/gitweb.css?a=commitdiff_plain;h=c31d0cb68c1c29f210ab44803f5e5fdcdcfa250b;p=u-boot.git

patman: Use bytearray instead of string

If the process outputs a lot of data on stdout this can be quite slow,
since the bytestring is regenerated each time. Use a bytearray instead.

Signed-off-by: Simon Glass <sjg@chromium.org>
---

diff --git a/tools/patman/cros_subprocess.py b/tools/patman/cros_subprocess.py
index efd0a5aaf7..fdd5138685 100644
--- a/tools/patman/cros_subprocess.py
+++ b/tools/patman/cros_subprocess.py
@@ -169,11 +169,11 @@ class Popen(subprocess.Popen):
                 self.stdin.close()
         if self.stdout:
             read_set.append(self.stdout)
-            stdout = b''
+            stdout = bytearray()
         if self.stderr and self.stderr != self.stdout:
             read_set.append(self.stderr)
-            stderr = b''
-        combined = b''
+            stderr = bytearray()
+        combined = bytearray()
 
         input_offset = 0
         while read_set or write_set: