From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-lj1-f173.google.com (mail-lj1-f173.google.com [209.85.208.173]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id BB36A1CFA6 for ; Fri, 20 Oct 2023 14:09:15 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="KJiWXV5l" Received: by mail-lj1-f173.google.com with SMTP id 38308e7fff4ca-2c5629fdbf8so6372751fa.0 for ; Fri, 20 Oct 2023 07:09:15 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1697810954; x=1698415754; darn=lists.linux.dev; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=mAk8jT42K0k51X/whGDwwkWdg31+jN6q/2Mef/7UWrE=; b=KJiWXV5lfRjrH7q1xTpzfwYAXGwmFwgezBrRYri070LHlz2MfOnaAvYeutjvJLcIqi ZJc/S505qr5PE14+dxbpOly53tFEzP8QZRjRVdAxymqhIlxy+brcQfX28mMuTxLCIyI0 77w2gXPtB7JjvSw05DLXiSN42ibmrQfKYHK5C/vEXxDTyBAsW8V7hqy4BAQyOQM4QPRb qEMIt9Y6GjSkSl4R4yOaIqxIJ3d86j9HZgtASnmhal2T+bmYVWNDCT6yE4Fmt79bj7W4 UiSgbgjOJH6gSg/us/O9TwliyCVguq6ICU9c7twWsRTPJ7gr+71SChvJHRz1oZzIsx+C gz3Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1697810954; x=1698415754; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=mAk8jT42K0k51X/whGDwwkWdg31+jN6q/2Mef/7UWrE=; b=QXCwzJUBjLtQ+RholIBV0IIla/p5eqn19PTSksh3T/Orrmah3bcL85YKd/3/HbVeZU tsgPtmgbRVMV/2EppAjz4XnRl8AWOqGJwikjEKyEJGTjLsbeGTc0OYnsZTBQfa2ShybU C0Cmo1F9I+u1n6SciWEXqAxBch2VNg6V6IKc24rkF10WqGw7C5iHI/8HqGMDw4zK1Dgo EoHr7OnE8bZAsOIEIjqBUDnU5C7T3N4aKmgjeudv/W3vQvMtAc3K6V4OnDKjbCbIOtp9 v9UVwFnD/uKu7s9NMGCSOg70TTrYajNCEe6WsRjJJb95V7Rza3+LqbgSWCivuAdsM/2V PFNg== X-Gm-Message-State: AOJu0YzJ1+3Rvn/GnjzSDyuvPOKR9l5RD5CHbBKynRVmH4qWVP6yR0bV W49G+kzEkw1N7b9i0/EWBbc= X-Google-Smtp-Source: AGHT+IEcjRrEpDSqzSmBRW8cEQW7ATxuQF+r5HjzhQL71YF4PNK4hVxqHzayJTA6OlG1si/9bOF1Ng== X-Received: by 2002:a05:651c:a0a:b0:2bb:a28b:58e1 with SMTP id k10-20020a05651c0a0a00b002bba28b58e1mr2191009ljq.41.1697810953817; Fri, 20 Oct 2023 07:09:13 -0700 (PDT) Received: from jernej-laptop.localnet (82-149-12-148.dynamic.telemach.net. [82.149.12.148]) by smtp.gmail.com with ESMTPSA id l23-20020a1c7917000000b004063cced50bsm2248792wme.23.2023.10.20.07.09.12 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 20 Oct 2023 07:09:13 -0700 (PDT) From: Jernej =?utf-8?B?xaBrcmFiZWM=?= To: Herbert Xu , "David S. Miller" , Uwe =?ISO-8859-1?Q?Kleine=2DK=F6nig?= Cc: Corentin Labbe , Chen-Yu Tsai , Samuel Holland , Jonathan Corbet , Rob Herring , linux-crypto@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, kernel@pengutronix.de Subject: Re: [PATCH 03/42] crypto: sun8i-ss - Convert to platform remove callback returning void Date: Fri, 20 Oct 2023 16:09:11 +0200 Message-ID: <1885790.tdWV9SEqCh@jernej-laptop> In-Reply-To: <20231020075521.2121571-47-u.kleine-koenig@pengutronix.de> References: <20231020075521.2121571-44-u.kleine-koenig@pengutronix.de> <20231020075521.2121571-47-u.kleine-koenig@pengutronix.de> Precedence: bulk X-Mailing-List: linux-sunxi@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="iso-8859-1" Dne petek, 20. oktober 2023 ob 09:55:25 CEST je Uwe Kleine-K=F6nig napisal(= a): > The .remove() callback for a platform driver returns an int which makes > many driver authors wrongly assume it's possible to do error handling by > returning an error code. However the value returned is ignored (apart > from emitting a warning) and this typically results in resource leaks. >=20 > To improve here there is a quest to make the remove callback return > void. In the first step of this quest all drivers are converted to > .remove_new(), which already returns void. Eventually after all drivers > are converted, .remove_new() will be renamed to .remove(). >=20 > Trivially convert this driver from always returning zero in the remove > callback to the void returning variant. >=20 > Signed-off-by: Uwe Kleine-K=F6nig > --- Reviewed-by: Jernej Skrabec Best regards, Jernej > drivers/crypto/allwinner/sun8i-ss/sun8i-ss-core.c | 6 ++---- > 1 file changed, 2 insertions(+), 4 deletions(-) >=20 > diff --git a/drivers/crypto/allwinner/sun8i-ss/sun8i-ss-core.c b/drivers/= crypto/allwinner/sun8i-ss/sun8i-ss-core.c > index 4a9587285c04..f14c60359d19 100644 > --- a/drivers/crypto/allwinner/sun8i-ss/sun8i-ss-core.c > +++ b/drivers/crypto/allwinner/sun8i-ss/sun8i-ss-core.c > @@ -908,7 +908,7 @@ static int sun8i_ss_probe(struct platform_device *pde= v) > return err; > } > =20 > -static int sun8i_ss_remove(struct platform_device *pdev) > +static void sun8i_ss_remove(struct platform_device *pdev) > { > struct sun8i_ss_dev *ss =3D platform_get_drvdata(pdev); > =20 > @@ -921,8 +921,6 @@ static int sun8i_ss_remove(struct platform_device *pd= ev) > sun8i_ss_free_flows(ss, MAXFLOW - 1); > =20 > sun8i_ss_pm_exit(ss); > - > - return 0; > } > =20 > static const struct of_device_id sun8i_ss_crypto_of_match_table[] =3D { > @@ -936,7 +934,7 @@ MODULE_DEVICE_TABLE(of, sun8i_ss_crypto_of_match_tabl= e); > =20 > static struct platform_driver sun8i_ss_driver =3D { > .probe =3D sun8i_ss_probe, > - .remove =3D sun8i_ss_remove, > + .remove_new =3D sun8i_ss_remove, > .driver =3D { > .name =3D "sun8i-ss", > .pm =3D &sun8i_ss_pm_ops, >=20