From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 A5B6A13C66C; Tue, 23 Apr 2024 15:20:43 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713885643; cv=none; b=Tb9/3V+v1xWEeyW8Ra1gtBIpYJoP9z/8vPGDoYIEe2hUZUQU4/U5hCm25Yv0ay6YZ0uNdQGrWMtrsWbaZvtTU8sTf7pSmtvq08Xf8voaKjQAGsRcxOoScA6E+A7PMlxs3sNULbry8WYmpi/e9hJXYxBeAn/xK3Mw7+UDSxYPvj8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713885643; c=relaxed/simple; bh=apXmCZAAlTcv2d9FtqBi2n0toEmnnPvQSjQR+DLhq50=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=L7eMw/zQhcMTqMlZttu8jBGGAYksryIymqK/39d8j0upwBcKPZ8kbXTS6Q4hX8m1ay2ZPbZIf04QoJ1jWtOubRgaCR8BpapL/iujR+AYTqKUcCk1/0vGLszonjV65vpqxjD4692kWtSjc+XcLtYhy+Y9VrYoVzCTHbyWRXBWt40= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=r67htizY; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="r67htizY" Received: by smtp.kernel.org (Postfix) with ESMTPS id 40F41C2BD10; Tue, 23 Apr 2024 15:20:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1713885643; bh=apXmCZAAlTcv2d9FtqBi2n0toEmnnPvQSjQR+DLhq50=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=r67htizYN/x7WAEHKNnhnuua7N+q/qXlye9hLVC+cItyv+pb6gU/aRy9I1GgtljvV Tnbm9umHVqqBel4x6M6kuwveJIO0GYthsb3vMKLiil80NuEALD/Npo9oaIZTC2JmxH Rgp+GKMS5ZI73KLDMw0a08/jsK/XLD2T0cbDPnC9pNQJUexgZ6UUTYBQmDRSNscPSM IQHzJg+wPCuvk+OgvuUk2noLVL4eU53zn/1q6y/kwCKbh10qzOLUBarXXSAfRjG96o sxEVZ1OwTtkrR6bR7XPi3qmC134bohzvz7jOZCQU+iE3n7E1awPsGY6a/5F8KSQhe/ fq9xl0JT1Dijw== Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2F50FC19F4E; Tue, 23 Apr 2024 15:20:43 +0000 (UTC) From: Nuno Sa via B4 Relay Date: Tue, 23 Apr 2024 17:20:30 +0200 Subject: [PATCH v2 1/4] dev_printk: add new dev_err_probe() helpers Precedence: bulk X-Mailing-List: linux-iio@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20240423-dev-add_dev_errp_probe-v2-1-12f43c5d8b0d@analog.com> References: <20240423-dev-add_dev_errp_probe-v2-0-12f43c5d8b0d@analog.com> In-Reply-To: <20240423-dev-add_dev_errp_probe-v2-0-12f43c5d8b0d@analog.com> To: Petr Mladek , Andy Shevchenko , Chris Down , John Ogness , Greg Kroah-Hartman , Jonathan Cameron , Lars-Peter Clausen , Olivier Moysan , Andi Shyti , Jyoti Bhayana Cc: linux-kernel@vger.kernel.org, linux-iio@vger.kernel.org, Nuno Sa X-Mailer: b4 0.13.0 X-Developer-Signature: v=1; a=ed25519-sha256; t=1713885641; l=1170; i=nuno.sa@analog.com; s=20231116; h=from:subject:message-id; bh=9vRT1yB7cKMgARCNN9R6YoimX7EiL0EJICliqmirgVI=; b=/OQCs5rmT3dEQ4zj8HcAF6Mlps+bwWIA1WQPIkd72RdXPAjuUXauUJKqTqgJjsdsztQe/iaVU QYcWYv80Ea1BvQ0hoiG+TYe08uVVpiyrbj5RnudcUx5EiejSrl/viaE X-Developer-Key: i=nuno.sa@analog.com; a=ed25519; pk=3NQwYA013OUYZsmDFBf8rmyyr5iQlxV/9H4/Df83o1E= X-Endpoint-Received: by B4 Relay for nuno.sa@analog.com/20231116 with auth_id=100 X-Original-From: Nuno Sa Reply-To: nuno.sa@analog.com From: Nuno Sa This is similar to dev_err_probe() but for cases where an ERR_PTR() or ERR_CAST() is to be returned simplifying patterns like: dev_err_probe(dev, ret, ...); return ERR_PTR(ret) or dev_err_probe(dev, PTR_ERR(ptr), ...); return ERR_CAST(ptr) Signed-off-by: Nuno Sa --- include/linux/dev_printk.h | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/include/linux/dev_printk.h b/include/linux/dev_printk.h index ae80a303c216..b9623ec22350 100644 --- a/include/linux/dev_printk.h +++ b/include/linux/dev_printk.h @@ -277,4 +277,13 @@ do { \ __printf(3, 4) int dev_err_probe(const struct device *dev, int err, const char *fmt, ...); +/* Simple helper for dev_err_probe() when ERR_PTR() is to be returned. */ +#define dev_err_ptr_probe(dev, ___err, fmt, ...) ({ \ + ERR_PTR(dev_err_probe(dev, ___err, fmt, ##__VA_ARGS__)); \ +}) + +/* Simple helper for dev_err_probe() when ERR_CAST() is to be returned. */ +#define dev_err_cast_probe(dev, ___err_ptr, fmt, ...) ({ \ + ERR_PTR(dev_err_probe(dev, PTR_ERR(___err_ptr), fmt, ##__VA_ARGS__)); \ +}) #endif /* _DEVICE_PRINTK_H_ */ -- 2.44.0