linux-kernel - [PATCH v4 09/11] scripts: generate_rust

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Message-Id: <20250322-rust-analyzer-host-v4-9-1f51f9c907eb@gmail.com>
Date: Sat, 22 Mar 2025 09:23:44 -0400
From: Tamir Duberstein <tamird@...il.com>
To: Miguel Ojeda <ojeda@...nel.org>, Alex Gaynor <alex.gaynor@...il.com>, 
 Boqun Feng <boqun.feng@...il.com>, Gary Guo <gary@...yguo.net>, 
 Björn Roy Baron <bjorn3_gh@...tonmail.com>, 
 Benno Lossin <benno.lossin@...ton.me>, 
 Andreas Hindborg <a.hindborg@...nel.org>, Alice Ryhl <aliceryhl@...gle.com>, 
 Trevor Gross <tmgross@...ch.edu>, Danilo Krummrich <dakr@...nel.org>, 
 Boris-Chengbiao Zhou <bobo1239@....de>, Kees Cook <kees@...nel.org>, 
 Fiona Behrens <me@...enk.dev>
Cc: rust-for-linux@...r.kernel.org, linux-kernel@...r.kernel.org, 
 Lukas Wirth <lukas.wirth@...rous-systems.com>, 
 Tamir Duberstein <tamird@...il.com>
Subject: [PATCH v4 09/11] scripts: generate_rust_analyzer.py: avoid FD leak

Use a context manager to avoid leaking file descriptors.

Signed-off-by: Tamir Duberstein <tamird@...il.com>
---
 scripts/generate_rust_analyzer.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/scripts/generate_rust_analyzer.py b/scripts/generate_rust_analyzer.py
index bd6e321a6aa5..ccb15aa66929 100755
--- a/scripts/generate_rust_analyzer.py
+++ b/scripts/generate_rust_analyzer.py
@@ -211,7 +211,8 @@ def generate_crates(
 
     def is_root_crate(build_file: pathlib.Path, target: str) -> bool:
         try:
-            return f"{target}.o" in open(build_file).read()
+            with open(build_file) as f:
+                return f"{target}.o" in f.read()
         except FileNotFoundError:
             return False
 

-- 
2.48.1