linux-kernel - [PATCH 3/8] drivers/comedi: fix Python string escapes

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Date:   Mon, 14 Aug 2023 16:06:59 +1000
From:   Benjamin Gray <bgray@...ux.ibm.com>
To:     linux-kernel@...r.kernel.org, linux-ia64@...r.kernel.org,
        linux-doc@...r.kernel.org, bpf@...r.kernel.org,
        linux-pm@...r.kernel.org
Cc:     abbotti@....co.uk, hsweeten@...ionengravers.com,
        jan.kiszka@...mens.com, kbingham@...nel.org, mykolal@...com,
        Benjamin Gray <bgray@...ux.ibm.com>
Subject: [PATCH 3/8] drivers/comedi: fix Python string escapes

Python 3.6 introduced a DeprecationWarning for invalid escape sequences.
This is upgraded to a SyntaxWarning in Python 3.12, and will eventually
be a syntax error.

Fix these now to get ahead of it before it's an error.

Signed-off-by: Benjamin Gray <bgray@...ux.ibm.com>
---
 drivers/comedi/drivers/ni_routing/tools/convert_csv_to_c.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/comedi/drivers/ni_routing/tools/convert_csv_to_c.py b/drivers/comedi/drivers/ni_routing/tools/convert_csv_to_c.py
index 90378fb50580..3d124a887be9 100755
--- a/drivers/comedi/drivers/ni_routing/tools/convert_csv_to_c.py
+++ b/drivers/comedi/drivers/ni_routing/tools/convert_csv_to_c.py
@@ -44,7 +44,7 @@ def routedict_to_structinit_single(name, D, return_name=False):
 
     lines.append('\t\t[B({})] = {{'.format(D0_sig))
     for D1_sig, value in D1:
-      if not re.match('[VIU]\([^)]*\)', value):
+      if not re.match('[VIU]\\([^)]*\\)', value):
         sys.stderr.write('Invalid register format: {}\n'.format(repr(value)))
         sys.stderr.write(
           'Register values should be formatted with V(),I(),or U()\n')
-- 
2.41.0