From nobody Sat Oct 4 01:47:34 2025 Received: from forward201a.mail.yandex.net (forward201a.mail.yandex.net [178.154.239.92]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9FB602D3A9E; Thu, 21 Aug 2025 09:26:12 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=178.154.239.92 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755768376; cv=none; b=kfb9sp/bpCSRAAD7Dfk2L7zkG8dMLOeeAaxMS+lK2he4l3l31TN3iJwS55QNTJERJpzi9uFat/J/fsJXLO0lmjoG4bwKDIsONYlXtV45SO4spInWkGjCvwwcarvvGm+C89BukxCMlEf5s410MbD76iVTDTlwdDA5lCSPYUyi6mM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755768376; c=relaxed/simple; bh=xiJVt3b12bT+770SFlGTWOwSte6zn4uAo5bc51xuing=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version:Content-Type; b=HGvf/WvyzTyiRslA6ZLE28KgqRqHAgUTjG4tD+Dit2MToJ4TLvBiohs9cz0EOGl29KPGRK7WVWGJOE9/cUimsduqK0IXsSf42r2L0fvdYWOjGIBS3JPsqtv/wecYNOqzDCiHYtyfsyJWOocqpVJy6PrTHJyoozdtenvmJwzromI= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=onurozkan.dev; spf=pass smtp.mailfrom=onurozkan.dev; dkim=pass (1024-bit key) header.d=onurozkan.dev header.i=@onurozkan.dev header.b=M6KDZyOs; arc=none smtp.client-ip=178.154.239.92 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=onurozkan.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=onurozkan.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=onurozkan.dev header.i=@onurozkan.dev header.b="M6KDZyOs" Received: from forward101a.mail.yandex.net (forward101a.mail.yandex.net [IPv6:2a02:6b8:c0e:500:1:45:d181:d101]) by forward201a.mail.yandex.net (Yandex) with ESMTPS id 0970085534; Thu, 21 Aug 2025 12:19:56 +0300 (MSK) Received: from mail-nwsmtp-smtp-production-main-84.iva.yp-c.yandex.net (mail-nwsmtp-smtp-production-main-84.iva.yp-c.yandex.net [IPv6:2a02:6b8:c0c:b18d:0:640:3620:0]) by forward101a.mail.yandex.net (Yandex) with ESMTPS id 7B4088043E; Thu, 21 Aug 2025 12:19:48 +0300 (MSK) Received: by mail-nwsmtp-smtp-production-main-84.iva.yp-c.yandex.net (smtp/Yandex) with ESMTPSA id eJP0bXHMY8c0-3urUempZ; Thu, 21 Aug 2025 12:19:47 +0300 X-Yandex-Fwd: 1 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=onurozkan.dev; s=mail; t=1755767987; bh=Ikr3sVoeYdCUnHYmqqED/eeVXLZZxsJi2mOKPrxTZwo=; h=Message-ID:Date:Cc:Subject:To:From; b=M6KDZyOsFs/LgHt4k3ZPsXIEP2c3Quo/+zgW/hGb2M1EUcC55GW6VbF9mVi/RfXlt 3LhuA0bcQ/pIC0ca82DsLQMKOV2oFPWWAX1P5rTIadquYP2Q54JW2VJc4ZBdAXvUz0 lhlVBg5991mXTNYbnaBboH4nEHYJpnDLjeLvSfVk= Authentication-Results: mail-nwsmtp-smtp-production-main-84.iva.yp-c.yandex.net; dkim=pass header.i=@onurozkan.dev From: =?UTF-8?q?Onur=20=C3=96zkan?= To: rust-for-linux@vger.kernel.org Cc: ojeda@kernel.org, alex.gaynor@gmail.com, boqun.feng@gmail.com, gary@garyguo.net, bjorn3_gh@protonmail.com, lossin@kernel.org, a.hindborg@kernel.org, aliceryhl@google.com, tmgross@umich.edu, dakr@kernel.org, tamird@gmail.com, linux-kernel@vger.kernel.org, =?UTF-8?q?Onur=20=C3=96zkan?= Subject: [PATCH] rust: uaccess: use to_result for error handling Date: Thu, 21 Aug 2025 12:19:39 +0300 Message-ID: <20250821091939.14019-1-work@onurozkan.dev> X-Mailer: git-send-email 2.50.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Simplifies error handling by replacing the manual check of the return value with the `to_result` helper. Signed-off-by: Onur =C3=96zkan Reviewed-by: Elle Rhumsaa --- rust/kernel/uaccess.rs | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/rust/kernel/uaccess.rs b/rust/kernel/uaccess.rs index a8fb4764185a..9992eece2694 100644 --- a/rust/kernel/uaccess.rs +++ b/rust/kernel/uaccess.rs @@ -7,7 +7,7 @@ use crate::{ alloc::{Allocator, Flags}, bindings, - error::Result, + error::{to_result, Result}, ffi::{c_char, c_void}, prelude::*, transmute::{AsBytes, FromBytes}, @@ -495,9 +495,7 @@ fn raw_strncpy_from_user(dst: &mut [MaybeUninit], s= rc: UserPtr) -> Result