From patchwork Sat Oct 19 08:22:48 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Thomas_B=C3=B6hler?= X-Patchwork-Id: 13842755 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 54BA7D3C914 for ; Sat, 19 Oct 2024 13:04:57 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 2E12910E144; Sat, 19 Oct 2024 13:04:48 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (1024-bit key; unprotected) header.d=wiredspace.de header.i=@wiredspace.de header.b="PiPe7bTK"; dkim-atps=neutral Received: from out-177.mta0.migadu.com (out-177.mta0.migadu.com [91.218.175.177]) by gabe.freedesktop.org (Postfix) with ESMTPS id 68E5B10E0FA for ; Sat, 19 Oct 2024 08:41:25 +0000 (UTC) X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=wiredspace.de; s=key1; t=1729327283; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=MvE6s92/wC5cLsJQ+TrZaR3ILrSklzHNRSWsRlnX0mQ=; b=PiPe7bTKQQ/os25ThxXPVymZKUjOYfTSoE/TAMcRdn1qGhVjuC1ZLz48w1tOzcg73HFMei GPX1yoAiP1LuNoj2R/jorwat42x1mK9KY+WDvvkqvTP5zzRdmYG/DBH8YvD0nXy/pLnVVX DRdHGNRMI5CGFEioyInfJ8QuYMRJkYA= From: =?utf-8?q?Thomas_B=C3=B6hler?= To: Miguel Ojeda , Alex Gaynor , Jocelyn Falempe Cc: Boqun Feng , Gary Guo , =?utf-8?q?Bj=C3=B6rn_Roy_Baron?= , Benno Lossin , Andreas Hindborg , Alice Ryhl , Trevor Gross , rust-for-linux@vger.kernel.org, Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, =?utf-8?q?Th?= =?utf-8?q?omas_B=C3=B6hler?= Subject: [PATCH v2 3/7] drm/panic: prefer eliding lifetimes Date: Sat, 19 Oct 2024 10:22:48 +0200 Message-ID: <20241019084048.22336-4-witcher@wiredspace.de> In-Reply-To: <20241019084048.22336-1-witcher@wiredspace.de> References: <20241019084048.22336-1-witcher@wiredspace.de> MIME-Version: 1.0 X-Migadu-Flow: FLOW_OUT X-Mailman-Approved-At: Sat, 19 Oct 2024 13:04:47 +0000 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Eliding lifetimes when possible instead of specifying them directly is both shorter and easier to read. Clippy notes this in the `needless_lifetimes` lint: error: the following explicit lifetimes could be elided: 'b --> drivers/gpu/drm/drm_panic_qr.rs:479:16 | 479 | fn new<'a, 'b>(segments: &[&Segment<'b>], data: &'a mut [u8]) -> Option> { | ^^ ^^ | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes = note: `-D clippy::needless-lifetimes` implied by `-D warnings` = help: to override `-D warnings` add `#[allow(clippy::needless_lifetimes)]` help: elide the lifetimes | 479 - fn new<'a, 'b>(segments: &[&Segment<'b>], data: &'a mut [u8]) -> Option> { 479 + fn new<'a>(segments: &[&Segment<'_>], data: &'a mut [u8]) -> Option> { | Remove the explicit lifetime annotation in favour of an elided lifetime. Fixes: cb5164ac43d0 ("drm/panic: Add a QR code panic screen") Reported-by: Miguel Ojeda Link: https://github.com/Rust-for-Linux/linux/issues/1123 Signed-off-by: Thomas Böhler Reviewed-by: Jocelyn Falempe --- drivers/gpu/drm/drm_panic_qr.rs | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/drm_panic_qr.rs b/drivers/gpu/drm/drm_panic_qr.rs index 7adfaa3d6222..767a8eb0acec 100644 --- a/drivers/gpu/drm/drm_panic_qr.rs +++ b/drivers/gpu/drm/drm_panic_qr.rs @@ -476,7 +476,7 @@ struct EncodedMsg<'a> { /// Data to be put in the QR code, with correct segment encoding, padding, and /// Error Code Correction. impl EncodedMsg<'_> { - fn new<'a, 'b>(segments: &[&Segment<'b>], data: &'a mut [u8]) -> Option> { + fn new<'a>(segments: &[&Segment<'_>], data: &'a mut [u8]) -> Option> { let version = Version::from_segments(segments)?; let ec_size = version.ec_size(); let g1_blocks = version.g1_blocks();