From patchwork Tue Nov 26 17:22:35 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Raag Jadav X-Patchwork-Id: 13886250 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.11]) (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 06BF11DB55D; Tue, 26 Nov 2024 17:22:54 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.11 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1732641776; cv=none; b=GKwRrInfsadnD8zeiHgTRHw9FGjTuX6nBxZ5IQs37NToeJo2mz2Mil9IgEmlCWFPPFFGwI+joaUrMZS59w1IzQ3UOKgWy9Cs311f0+GbEvqX0oLH/RoXiw+6DbCXfyGR8kOhIB3n9Rgpd8B5PdBvAmsmpDDI0aSpZQJY6+hQLAs= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1732641776; c=relaxed/simple; bh=3IQcjMblj2yCRZU9dvH09xLKCFiwJsfsSgS7pL6cJjo=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=HO9kecvJM126DeaI/QwhSz/pyQMTtw9KKaMTmJYRfGfjt40CUqLjcEmhbW26kYLUjYTSFw/O/PxCljyKolOVY4ypm09cr2dHC07D/8o9N8uSccuilALq8OYj/wKpRUTFrXcdyDEJ0YKRXHW8ZTBtPY5WsfZThyGJiKg338O7t1E= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=none smtp.mailfrom=ecsmtp.iind.intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=OZEEogFQ; arc=none smtp.client-ip=198.175.65.11 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=ecsmtp.iind.intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="OZEEogFQ" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1732641775; x=1764177775; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=3IQcjMblj2yCRZU9dvH09xLKCFiwJsfsSgS7pL6cJjo=; b=OZEEogFQtw/3zBLxbIY2C/Dvx8Ja7AAGLJUPSEkspklUZspOFtLCDVxH Q1ZLKMFx6OBf7ymPAEu2oKBdSj4B6ugvUOvO7BgxiIg2mN6AOnsuO9cbt ZnMVYLVVmKyEWEnp2x5LJKVeKFuh1eVH7I6fTVLj1g1Xc2S+c5wgt1n0h nAbjWOTPI7imivFNNCBYxifAqYyEU3QJSIfTRfCem1GM2JYTkdUtCxkGQ 9IoQJeoYtqVMBALeU9RZTLTkOQ3bGXboxWmczP4ansuY563vR4ztxBRwP o4nKXhpRjX2Es86oXu3aeIKKnZnmmGGdpFGOP5pBvprX1IAr2or0U3AUq w==; X-CSE-ConnectionGUID: ncMm/PfgS5eZGP35Swwo5Q== X-CSE-MsgGUID: pVuldOv/RuyeOYBmQaATvA== X-IronPort-AV: E=McAfee;i="6700,10204,11268"; a="43312924" X-IronPort-AV: E=Sophos;i="6.12,186,1728975600"; d="scan'208";a="43312924" Received: from orviesa003.jf.intel.com ([10.64.159.143]) by orvoesa103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 Nov 2024 09:22:52 -0800 X-CSE-ConnectionGUID: ILtK8wUHRVasgPR84RT3Kg== X-CSE-MsgGUID: On4ox8MWSqSP5O18pa1RJg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.11,199,1725346800"; d="scan'208";a="96730554" Received: from inesxmail01.iind.intel.com ([10.223.57.40]) by orviesa003.jf.intel.com with ESMTP; 26 Nov 2024 09:22:49 -0800 Received: from inlubt0316.iind.intel.com (inlubt0316.iind.intel.com [10.191.20.213]) by inesxmail01.iind.intel.com (Postfix) with ESMTP id 38C8C1CAD6; Tue, 26 Nov 2024 22:52:48 +0530 (IST) Received: by inlubt0316.iind.intel.com (Postfix, from userid 12101951) id 3615B160011C; Tue, 26 Nov 2024 22:52:48 +0530 (IST) From: Raag Jadav To: gregkh@linuxfoundation.org, linus.walleij@linaro.org, mika.westerberg@linux.intel.com, andriy.shevchenko@linux.intel.com, dmitry.torokhov@gmail.com, broonie@kernel.org, pierre-louis.bossart@linux.dev Cc: linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org, linux-input@vger.kernel.org, linux-sound@vger.kernel.org, Raag Jadav Subject: [PATCH v2 1/6] devres: Introduce devm_kmemdup_array() Date: Tue, 26 Nov 2024 22:52:35 +0530 Message-Id: <20241126172240.6044-2-raag.jadav@intel.com> X-Mailer: git-send-email 2.35.3 In-Reply-To: <20241126172240.6044-1-raag.jadav@intel.com> References: <20241126172240.6044-1-raag.jadav@intel.com> Precedence: bulk X-Mailing-List: linux-input@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Introduce '_array' variant of devm_kmemdup() which is more robust and consistent with alloc family of helpers. Suggested-by: Andy Shevchenko Signed-off-by: Raag Jadav Reviewed-by: Dmitry Torokhov --- include/linux/device.h | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/include/linux/device.h b/include/linux/device.h index b4bde8d22697..c2032aab1586 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -358,6 +358,11 @@ char *devm_kstrdup(struct device *dev, const char *s, gfp_t gfp) __malloc; const char *devm_kstrdup_const(struct device *dev, const char *s, gfp_t gfp); void *devm_kmemdup(struct device *dev, const void *src, size_t len, gfp_t gfp) __realloc_size(3); +static inline void *devm_kmemdup_array(struct device *dev, const void *src, + size_t n, size_t size, gfp_t flags) +{ + return devm_kmemdup(dev, src, size_mul(size, n), flags); +} unsigned long devm_get_free_pages(struct device *dev, gfp_t gfp_mask, unsigned int order);