From patchwork Wed Feb 12 06:25:05 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Raag Jadav X-Patchwork-Id: 864670 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.17]) (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 C375A1FF60D; Wed, 12 Feb 2025 06:25:36 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.17 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739341538; cv=none; b=LB3afkzJ/biK4C4dDuQHEv81eG+EryV/GUhXxinigvCeItWhSCQfgi6pFgYjarseBMGv0c8AQe8YrtaKFee8V0BcPW/xa/yNpMx/32kMiFMNTntqkQ5n+9357U0hLg/XL3w4HMU32Rt/wBQS71fE7LXGZFuNk/8pwNDKVZmqk9s= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739341538; c=relaxed/simple; bh=kXNsZ5OEPvESAT2ItADgSvaxbJWn0Bu43326BOmRHII=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=lmanCDMZ+OWSVWsVaGkgW5IdObTNFY5rRoFPUs0P+r6ZnYyAmEG5DeSjBACy3dNHV26cAFiiffKqepdZQriAbNWlvtAIqbv19LgPszIqN6eeEiCUmCH93mBCHX67PeJv6YXmseSUZszN/eDcUh7d72LO/fpqmjgmEgwrH42YiFQ= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=dXihWwJn; arc=none smtp.client-ip=198.175.65.17 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="dXihWwJn" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1739341537; x=1770877537; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=kXNsZ5OEPvESAT2ItADgSvaxbJWn0Bu43326BOmRHII=; b=dXihWwJngw/glPIcVlkOxtWVhFuevQdPcP2VhOCPVbBuji7l6BvDDHX8 YKAhQSVILYHeXXMy2p3Ke6DGzlhUg/58GVU8TryzCGSUtei6Fbea6WXgT bkJWr9rf+hiCMT3GDiyFcDC2p4Upu2zt09gRj7j1UYkXAVVMEgzT4L1vQ 8No0FDui4B9t4fP95CtBX04/k9wb6HllBcwmhqn56ilkBouXPEf12+vPB U3AXBX4j63d+qDxXkcrAX1i8ZTEKFXfIokMUOQ8y8LRbVpS7qQSwSKlzg K0XC+7NW5Q5YFywxr30Ugehp/5faZGXt9/0UtNa5F4kG+S1SHUdLGLaO+ w==; X-CSE-ConnectionGUID: TQk14WMKQ8O1GMea+zIsPw== X-CSE-MsgGUID: L7V9n618S8OnR3jmjkpKXg== X-IronPort-AV: E=McAfee;i="6700,10204,11342"; a="40005178" X-IronPort-AV: E=Sophos;i="6.13,279,1732608000"; d="scan'208";a="40005178" Received: from fmviesa004.fm.intel.com ([10.60.135.144]) by orvoesa109.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 11 Feb 2025 22:25:36 -0800 X-CSE-ConnectionGUID: CgIPukCaRF660G0wvOHD4A== X-CSE-MsgGUID: jINXPxBMRFuMHSguzkYokQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.13,279,1732608000"; d="scan'208";a="117812005" Received: from jraag-z790m-itx-wifi.iind.intel.com ([10.190.239.23]) by fmviesa004.fm.intel.com with ESMTP; 11 Feb 2025 22:25:33 -0800 From: Raag Jadav To: arnd@arndb.de, gregkh@linuxfoundation.org, rafael@kernel.org, linus.walleij@linaro.org, mika.westerberg@linux.intel.com, andriy.shevchenko@linux.intel.com, dmitry.torokhov@gmail.com, jic23@kernel.org, przemyslaw.kitszel@intel.com Cc: linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org, linux-input@vger.kernel.org, linux-iio@vger.kernel.org, Raag Jadav Subject: [PATCH v5 04/12] devres: Introduce devm_kmemdup_array() Date: Wed, 12 Feb 2025 11:55:05 +0530 Message-Id: <20250212062513.2254767-5-raag.jadav@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250212062513.2254767-1-raag.jadav@intel.com> References: <20250212062513.2254767-1-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 Reviewed-by: Linus Walleij --- include/linux/device/devres.h | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/include/linux/device/devres.h b/include/linux/device/devres.h index 6b0b265058bc..9b49f9915850 100644 --- a/include/linux/device/devres.h +++ b/include/linux/device/devres.h @@ -79,6 +79,11 @@ void devm_kfree(struct device *dev, const void *p); void * __realloc_size(3) devm_kmemdup(struct device *dev, const void *src, size_t len, gfp_t gfp); +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); +} char * __malloc devm_kstrdup(struct device *dev, const char *s, gfp_t gfp);