From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from polaris.svanheule.net (polaris.svanheule.net [84.16.241.116]) (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 6B7D724729A for ; Fri, 20 Feb 2026 15:40:42 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=84.16.241.116 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1771602043; cv=none; b=paPScLtfDZge+p6o1Kg38x6MJNH9uZJHoQHyM40RSCDpUrXKuZVAdf5OLUdJlhivTpQ4DlMskugdCrMyOFNN17pnbtjn4a9rGWZwdDpijF6OaN4UqzFmYACdC9Lbu/EDlLpeo3hgT8RLVrSVVpInDdRLMfFXZTO2xjsHNMy+Kik= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1771602043; c=relaxed/simple; bh=8pX9DsMW+nV3ITCzRj46t3XfqaNAR6wsf5cpUvDcYyY=; h=Message-ID:Subject:From:To:Cc:Date:In-Reply-To:References: Content-Type:MIME-Version; b=mZZfaPh2TMa/S2iPqRr5oFd7AX8O6TFqlXeA0pZTLye96RvHt0X6Pl7Qfx/YqmC4MbbWVdnzWBRXMTB+NYPM74lWTgKqLUWL+7IOLBQHfVBGCgfjmI3pi7GmZtqe+QdyFvc78aYHLZbZ4Mnb6vnq/OLJ0ZEOWhh6KYXU61POviw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=svanheule.net; spf=pass smtp.mailfrom=svanheule.net; dkim=pass (2048-bit key) header.d=svanheule.net header.i=@svanheule.net header.b=P/Qk4KwD; arc=none smtp.client-ip=84.16.241.116 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=svanheule.net Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=svanheule.net Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=svanheule.net header.i=@svanheule.net header.b="P/Qk4KwD" Received: from [IPv6:2a02:1812:162c:8f00:1e2d:b404:3319:eba8] (2a02-1812-162c-8f00-1e2d-b404-3319-eba8.ip6.access.telenet.be [IPv6:2a02:1812:162c:8f00:1e2d:b404:3319:eba8]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (prime256v1) server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: sander@svanheule.net) by polaris.svanheule.net (Postfix) with ESMTPSA id E8B3E6E8668; Fri, 20 Feb 2026 16:40:40 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=svanheule.net; s=mail1707; t=1771602041; 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=QK530RpPbnOf/nL4ra+MlUCG1+qQXSueEHvRFzVJHpI=; b=P/Qk4KwD6YP1CQz8yBeYETQABJcIenwi191Nm0/NnS0/sZ4LEFfIk5RbzqACECqnB8kpvX Iw1MXLMoeT7BH6xdWpSumofmc8Z4s8O2ImHwIWlEays585cQlkIMNm/CTDwTlUCy89HDmw X4uiMcHhB868ykRdQ5yFU9SV2zTKmW71AvB7YEelQvPPn89Io4MRkdubMap+Hr29NCKuHV om5pwhkPCKedRculjqHbOi+XoJ/EjXwkIyTdGk7Jf/vahZesn5ZppVOxkd+jxRTTczLtgr bFQCFbkV1B7IkLN/Qy48MpVJo2OF6QP8idTHKzPw/2qV4orxcosEI5Ox2QpyiA== Message-ID: <2868da8302e024a8c6f1f2240d64373a6bb1178a.camel@svanheule.net> Subject: Re: [PATCH] regmap: define cleanup helper for regmap_field From: Sander Vanheule To: Mark Brown Cc: linux-kernel@vger.kernel.org Date: Fri, 20 Feb 2026 16:40:39 +0100 In-Reply-To: <20260220153646.494683-1-sander@svanheule.net> References: <20260220153646.494683-1-sander@svanheule.net> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.58.3 (3.58.3-1.fc43) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Hi Mark, On Fri, 2026-02-20 at 16:36 +0100, Sander Vanheule wrote: > For temporary field allocation, the user has to perform manual cleanup, > or rely on devm_regmap_field_alloc() to (eventually) clean up the > allocated resources when an error occurs. >=20 > Add a cleanup helper that takes care of freeing the allocated > regmap_field whenever it goes out of scope. >=20 > This can simplify this example: >=20 > =C2=A0=C2=A0=C2=A0 struct regmap_field *field =3D regmap_field_alloc(...)= ; > =C2=A0=C2=A0=C2=A0 if (!field) > =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 return -ENOMEM; The error handling should of course be: if (IS_ERR(field)) return PTR_ERR(field); I'll wait a bit for other feedback before I send a v2. Best, Sander