linux-kernel - [PATCH 2/4] scripts: kernel-doc: prevent a KeyError when checking output

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Message-ID: <d97e86c7176f671405b4c15d75cb951349022a23.1747747695.git.mchehab+huawei@kernel.org>
Date: Tue, 20 May 2025 15:33:07 +0200
From: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
To: "Jonathan Corbet" <corbet@....net>
Cc: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>,
	"Akira Yokosawa" <akiyks@...il.com>,
	"Andy Shevchenko" <andriy.shevchenko@...ux.intel.com>,
	"Nicolas Schier" <nicolas.schier@...ux.dev>,
	"Randy Dunlap" <rdunlap@...radead.org>,
	"Stephen Rothwell" <sfr@...b.auug.org.au>,
	linux-doc@...r.kernel.org,
	linux-kbuild@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH 2/4] scripts: kernel-doc: prevent a KeyError when checking output

If a file sent to KernelFiles.msg() method doesn't exist, instead
of producing a KeyError, output an error message.

Reported-by: Randy Dunlap <rdunlap@...radead.org>
Closes: https://lore.kernel.org/linux-doc/cover.1747719873.git.mchehab+huawei@kernel.org/T/#ma43ae9d8d0995b535cf5099e5381dace0410de04
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
---
 scripts/lib/kdoc/kdoc_files.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/scripts/lib/kdoc/kdoc_files.py b/scripts/lib/kdoc/kdoc_files.py
index 630aa5ca6460..9be4a64df71d 100644
--- a/scripts/lib/kdoc/kdoc_files.py
+++ b/scripts/lib/kdoc/kdoc_files.py
@@ -271,6 +271,10 @@ class KernelFiles():
                                       no_doc_sections)
 
             msg = ""
+            if fname not in self.results:
+                self.config.log.warning("No kernel-doc for file %s", fname)
+                continue
+
             for name, arg in self.results[fname]:
                 m = self.out_msg(fname, name, arg)
 
-- 
2.49.0