From nobody Thu Feb 12 23:02:57 2026 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.18]) (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 5401E197A7F for ; Thu, 6 Jun 2024 16:47:23 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.18 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717692444; cv=none; b=P23BcogVzXX2qmbnQGGnNnwWNVxksldlywsYJbHd6r5sVVNFrQR5q7GGz89/bvKxLPd0E0dzKwaH6OhwRDHAT7+midbkj779pI/V+fEen5RM8kNoYAKzz7pTfj+zLb/QSHLBAOYtS0DhTiCRaFvHMAxJf8Hv9qabKYgA+4jUo4Y= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717692444; c=relaxed/simple; bh=r+kfSuHjOqr17WFaqvO8+4gnvADH+fS1GXIF7AYuo5c=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=IW/Uuq2hWjF6r9eaya8J7Kr8cqCIhKky7IB1b9pQO/USrxpGBvuPty6LcaeotxcJfjCSTGOtDx8mw73RLZEVB2cGWFQTlYd5As0lld25fKxBUVPdvEQ06DBZparJLLD4jhuKmstojtMsRNWeOluXUoHitLRKlY9PuZ7O3uU3TCg= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com; spf=none smtp.mailfrom=linux.intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=GbIjW9Dl; arc=none smtp.client-ip=198.175.65.18 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="GbIjW9Dl" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1717692443; x=1749228443; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=r+kfSuHjOqr17WFaqvO8+4gnvADH+fS1GXIF7AYuo5c=; b=GbIjW9DlLs4oe979TFLfNWeP4quY0rPW3UGsvhyMUqdj308c7vBstBK/ ZPr9iL3LbXmytGo/dh9sI9xlsYUWudSa9HcuP1L5Pmzj6oO5qeGRfbhYg fJOBM1wVGCdDwwPbcmgithLlLZBD8GBxrU3ntCRW30VrLMhvl8/0ih0xO njUwCJ4Wn/Jb7V4ghz8kerj1Zr6iX6jZWTzu29JBsEL8nh+4ZVQ+js29Y qmR7tMZnyk9Ev1+4AR/Y5tw7STMVAyj/JFmHJOvGcBLDLe9fyXje0n+aq CfOg1RuKlxzupPDRbSt97P84SW6vvqovx2sr5dfY3VX6VgJ22r3IA35aJ w==; X-CSE-ConnectionGUID: oZkQDZ89Q5SepZM27ulyYA== X-CSE-MsgGUID: ECAW4WfdSZqz/49rPmF1Fw== X-IronPort-AV: E=McAfee;i="6600,9927,11095"; a="14531935" X-IronPort-AV: E=Sophos;i="6.08,219,1712646000"; d="scan'208";a="14531935" Received: from orviesa006.jf.intel.com ([10.64.159.146]) by orvoesa110.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 Jun 2024 09:47:21 -0700 X-CSE-ConnectionGUID: RnGBNQ96T4u1hzAFACMsLA== X-CSE-MsgGUID: TXyaP7z9TaKCauX2aIQdRw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.08,219,1712646000"; d="scan'208";a="38475877" Received: from black.fi.intel.com ([10.237.72.28]) by orviesa006.jf.intel.com with ESMTP; 06 Jun 2024 09:47:20 -0700 Received: by black.fi.intel.com (Postfix, from userid 1003) id D2367339; Thu, 06 Jun 2024 19:47:18 +0300 (EEST) From: Andy Shevchenko To: Mark Brown , Andy Shevchenko , linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , "Rafael J. Wysocki" Subject: [PATCH v1 3/4] regmap: cache: Switch to use kmemdup_array() Date: Thu, 6 Jun 2024 19:46:24 +0300 Message-ID: <20240606164717.3031107-4-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.43.0.rc1.1336.g36b5255a03ac In-Reply-To: <20240606164717.3031107-1-andriy.shevchenko@linux.intel.com> References: <20240606164717.3031107-1-andriy.shevchenko@linux.intel.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Let the kememdup_array() take care about multiplication and possible overflows. Signed-off-by: Andy Shevchenko --- drivers/base/regmap/regcache.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/base/regmap/regcache.c b/drivers/base/regmap/regcache.c index bd7462c54271..7ec1ec605335 100644 --- a/drivers/base/regmap/regcache.c +++ b/drivers/base/regmap/regcache.c @@ -170,8 +170,8 @@ int regcache_init(struct regmap *map, const struct regm= ap_config *config) * a copy of it. */ if (config->reg_defaults) { - tmp_buf =3D kmemdup(config->reg_defaults, map->num_reg_defaults * - sizeof(struct reg_default), GFP_KERNEL); + tmp_buf =3D kmemdup_array(config->reg_defaults, map->num_reg_defaults, + sizeof(*map->reg_defaults), GFP_KERNEL); if (!tmp_buf) return -ENOMEM; map->reg_defaults =3D tmp_buf; --=20 2.43.0.rc1.1336.g36b5255a03ac