From 9b4744d8eda2824041064a5639ccbb079850914d Mon Sep 17 00:00:00 2001
From: Tamir Duberstein <tamird@kernel.org>
Date: Tue, 27 Jan 2026 11:35:43 -0500
Subject: scripts: generate_rust_analyzer.py: avoid FD leak

Use `pathlib.Path.read_text()` to avoid leaking file descriptors.

Fixes: 8c4555ccc55c ("scripts: add `generate_rust_analyzer.py`")
Cc: stable@vger.kernel.org
Reviewed-by: Daniel Almeida <daniel.almeida@collabora.com>
Reviewed-by: Fiona Behrens <me@kloenk.dev>
Reviewed-by: Trevor Gross <tmgross@umich.edu>
Link: https://patch.msgid.link/20260127-rust-analyzer-fd-leak-v2-1-1bb55b9b6822@kernel.org
Signed-off-by: Tamir Duberstein <tamird@kernel.org>
---
 scripts/generate_rust_analyzer.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'scripts')

diff --git a/scripts/generate_rust_analyzer.py b/scripts/generate_rust_analyzer.py
index 38e834bd209e..024e71a742e0 100755
--- a/scripts/generate_rust_analyzer.py
+++ b/scripts/generate_rust_analyzer.py
@@ -313,9 +313,10 @@ def generate_crates(
 
     def is_root_crate(build_file: pathlib.Path, target: str) -> bool:
         try:
-            return f"{target}.o" in open(build_file).read()
+            contents = build_file.read_text()
         except FileNotFoundError:
             return False
+        return f"{target}.o" in contents
 
     # Then, the rest outside of `rust/`.
     #
-- 
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