From nobody Thu Feb 12 23:02:15 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 87B33198A16 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=Wj+U3Vv1zPmEdLq0+2AKXnwkIRnAaxPFt798xEFKitZ+hGTVeohZFO3yH5+ix+tRVMKNfmbi9sdesVHQcpLnyZfVsLLVzdEJsQr3U1GPq19p4Af2YBnLnr0JZFQ7JiGjkCq9l9Yd3bar7DdsD+Vj7feIj59xm5MLY+b7V0/oiLc= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717692444; c=relaxed/simple; bh=EHAguvGTDCaazxEec7Y5c7L9Y24xpgClBLYrG0xPN+k=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=QIc1ffXO+M2X2u/Y7Ml+NUa6wEqWDpRfWTR6xLb85YqFuC4Ly3rBbcvgvgJFafJSJ75eFF8l2k/9rbpxlpBqvdKT19F3eIJ3wBqR4kndBmKn1qwC5+wTV2Lv2KVZWcELpQVN6zHbQtQwOZtEVmrt+cM1lLZNvvizddS6NI29SG8= 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=TtF2O/A4; 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="TtF2O/A4" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1717692444; x=1749228444; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=EHAguvGTDCaazxEec7Y5c7L9Y24xpgClBLYrG0xPN+k=; b=TtF2O/A4YLzlmX4N85nl/0NZ1ampcCsS9DcJhqrkaCUztcjtU9RNpMsN MR5aqBjD8Y3bdcrLW0Rq2Ephirp7c25urZ0OpK+rjRAryZJWCbFEp3y0r GnJUt90dcLKxva4IUeOdmiG+b62DAige3aJbqWuyKMWtqCIM58RzdljaJ TLdjJyrO/d4AwsI0B/QcD5L57JNUYRLKInrcd/UzCfiK8ZfJRXwVPovF2 gOAJXTEGg6cG/xywwqAr/DEDtPnnXxP5KlUo58g3CCMXwy3Jd5OxI5AFN i+twgDQtCAVOQ0ZA29COTyFITvCuT7WtUZtJpKHCY+dyANWQo6wyZWLQ4 A==; X-CSE-ConnectionGUID: Fw+TYToASoy2DQlzYfRlBQ== X-CSE-MsgGUID: 9fBgO9Q5QEeLaSfeZDdEzA== X-IronPort-AV: E=McAfee;i="6600,9927,11095"; a="14531937" X-IronPort-AV: E=Sophos;i="6.08,219,1712646000"; d="scan'208";a="14531937" 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: PbcrPNtRS0+QLHOHEzBWOg== X-CSE-MsgGUID: asaEZJvDRUSvP3Iy+e6qaQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.08,219,1712646000"; d="scan'208";a="38475876" 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 AEB871C9; 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 1/4] regmap: Switch to use kmemdup_array() Date: Thu, 6 Jun 2024 19:46:22 +0300 Message-ID: <20240606164717.3031107-2-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/regmap.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c index 0a34dd3c4f38..88c02b71b2ee 100644 --- a/drivers/base/regmap/regmap.c +++ b/drivers/base/regmap/regmap.c @@ -2347,7 +2347,7 @@ int regmap_bulk_write(struct regmap *map, unsigned in= t reg, const void *val, } else { void *wval; =20 - wval =3D kmemdup(val, val_count * val_bytes, map->alloc_flags); + wval =3D kmemdup_array(val, val_count, val_bytes, map->alloc_flags); if (!wval) return -ENOMEM; =20 --=20 2.43.0.rc1.1336.g36b5255a03ac