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

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Message-ID: <m2cye59hp6.fsf@kloenk.dev>
Date: Tue, 25 Mar 2025 17:51:49 +0100
From: Fiona Behrens <me@...enk.dev>
To: Tamir Duberstein <tamird@...il.com>
Cc: 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>,
  rust-for-linux@...r.kernel.org,  linux-kernel@...r.kernel.org,  Lukas
 Wirth <lukas.wirth@...rous-systems.com>
Subject: Re: [PATCH v4 09/11] scripts: generate_rust_analyzer.py: avoid FD leak

Tamir Duberstein <tamird@...il.com> writes:

> Use a context manager to avoid leaking file descriptors.
>
> Signed-off-by: Tamir Duberstein <tamird@...il.com>

Reviewed-by: Fiona Behrens <me@...enk.dev>

> ---
>  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