From patchwork Mon Feb 24 17:33:04 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lukasz Luba X-Patchwork-Id: 868401 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 5D1CA265630; Mon, 24 Feb 2025 17:34:50 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.140.110.172 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740418491; cv=none; b=YWndDKk7WdGJIWczSdoB7lUaFmvpgrXHnuFkB63XQYJDLkyCo3SedmPIb3LlstprCIJuNUfc6LGZtL4Xzz1gpJo+axSREvRcVnzLWCKmfVkKPI+LHS6XusDxJ/VEtkt+ssgGL2V38SQthvOa3d2Mf880VuA8CuEoNUh5Af+fXt0= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740418491; c=relaxed/simple; bh=b+5bekHFm+sDW6aHnNsKja9uTB5ioANecssh2KfE3IY=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=rx1Nqbv8HYDwyEZ9IjFcNuk0/4nfx/5ZoXjjA/jiRTBuAIvX2F55zwJ6HlEJlG61SCer4Zn0UsBs2cHPkfKDd8WBS1L/TAp19Hcho2sJRo6Udg+vy4bxcvfayP0jFAeZhaGewRr1BZpZKaIkYWS1u1ROSf0SSo1LWRr2pjAXsc4= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com; spf=pass smtp.mailfrom=arm.com; arc=none smtp.client-ip=217.140.110.172 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=arm.com Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 58003152B; Mon, 24 Feb 2025 09:35:06 -0800 (PST) Received: from e129166.arm.com (unknown [10.57.65.109]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 001BA3F5A1; Mon, 24 Feb 2025 09:34:47 -0800 (PST) From: Lukasz Luba To: linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, rafael@kernel.org, daniel.lezcano@linaro.org Cc: lukasz.luba@arm.com, rui.zhang@intel.com, srinivas.pandruvada@linux.intel.com Subject: [PATCH 2/4] thermal: k3_j72xx_bandgap: Use kcalloc() instead of kzalloc() Date: Mon, 24 Feb 2025 17:33:04 +0000 Message-ID: <20250224173432.1946070-3-lukasz.luba@arm.com> X-Mailer: git-send-email 2.48.1 In-Reply-To: <20250224173432.1946070-1-lukasz.luba@arm.com> References: <20250224173432.1946070-1-lukasz.luba@arm.com> Precedence: bulk X-Mailing-List: linux-pm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 According to the latest recommendations, kcalloc() should be used instead of kzalloc() with multiplication (which might overflow). Switch to this new scheme and use more safe kcalloc(). No functional impact changes. Signed-off-by: Lukasz Luba --- drivers/thermal/k3_j72xx_bandgap.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/thermal/k3_j72xx_bandgap.c b/drivers/thermal/k3_j72xx_bandgap.c index 70de6dbf99c5a..a36289e61315a 100644 --- a/drivers/thermal/k3_j72xx_bandgap.c +++ b/drivers/thermal/k3_j72xx_bandgap.c @@ -460,13 +460,13 @@ static int k3_j72xx_bandgap_probe(struct platform_device *pdev) goto err_alloc; } - ref_table = kzalloc(sizeof(*ref_table) * TABLE_SIZE, GFP_KERNEL); + ref_table = kcalloc(TABLE_SIZE, sizeof(*ref_table), GFP_KERNEL); if (!ref_table) { ret = -ENOMEM; goto err_alloc; } - derived_table = devm_kzalloc(bgp->dev, sizeof(*derived_table) * TABLE_SIZE, + derived_table = devm_kcalloc(bgp->dev, TABLE_SIZE, sizeof(*derived_table), GFP_KERNEL); if (!derived_table) { ret = -ENOMEM;