From: Jonathan Corbet <corbet@lwn.net>
Date: Fri, 5 Sep 2025 22:30:48 +0000 (-0600)
Subject: docs: kdoc: remove a useless empty capture group
X-Git-Tag: v6.18-rc1~107^2~23
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=08b5228cf455d46a23bfb341766563d1a48e3c8f;p=thirdparty%2Fkernel%2Flinux.git

docs: kdoc: remove a useless empty capture group

The is_define_proto case in dump_function() uses a regex with an empty
capture group - () - that has no use; just take it out.

Signed-off-by: Jonathan Corbet <corbet@lwn.net>
---

diff --git a/scripts/lib/kdoc/kdoc_parser.py b/scripts/lib/kdoc/kdoc_parser.py
index decd127df82e..f9be5414244d 100644
--- a/scripts/lib/kdoc/kdoc_parser.py
+++ b/scripts/lib/kdoc/kdoc_parser.py
@@ -972,11 +972,11 @@ class KernelDoc:
         found = False
 
         if is_define_proto:
-            r = KernRe(r'^()(' + name + r')\s+')
+            r = KernRe(r'^(' + name + r')\s+')
 
             if r.search(prototype):
                 return_type = ''
-                declaration_name = r.group(2)
+                declaration_name = r.group(1)
                 func_macro = True
 
                 found = True