From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 597E6C433FE for ; Mon, 15 Nov 2021 17:08:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 48C2861BF4 for ; Mon, 15 Nov 2021 17:08:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232083AbhKORLi (ORCPT ); Mon, 15 Nov 2021 12:11:38 -0500 Received: from mail.kernel.org ([198.145.29.99]:37868 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232484AbhKORLR (ORCPT ); Mon, 15 Nov 2021 12:11:17 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id 4900B61BD2; Mon, 15 Nov 2021 17:08:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1636996101; bh=sSNnKHal3VCdtRIXZsx6ZrKj7OlEN0Te2zvqhKJr7r4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=xRjW1k4BelGQ/8oiHNbR69luWyUV0nypppnHfMR4D85J3oTfF2mK+Be3E9BvqSLOK dDto6yG1NBRLa5/Cf+GDQBLS2reSetIouWISYLiaUSWjKY8IH95eKjwHYHtVaJQXVR EXYlwpzruVb8QgZ915DvurtFcntvazZMFXH/Rt2c= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Tang Bin , Krzysztof Kozlowski , Herbert Xu Subject: [PATCH 5.4 017/355] crypto: s5p-sss - Add error handling in s5p_aes_probe() Date: Mon, 15 Nov 2021 17:59:01 +0100 Message-Id: <20211115165314.108686647@linuxfoundation.org> X-Mailer: git-send-email 2.33.1 In-Reply-To: <20211115165313.549179499@linuxfoundation.org> References: <20211115165313.549179499@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Tang Bin commit a472cc0dde3eb057db71c80f102556eeced03805 upstream. The function s5p_aes_probe() does not perform sufficient error checking after executing platform_get_resource(), thus fix it. Fixes: c2afad6c6105 ("crypto: s5p-sss - Add HASH support for Exynos") Cc: Signed-off-by: Tang Bin Reviewed-by: Krzysztof Kozlowski Signed-off-by: Herbert Xu Signed-off-by: Greg Kroah-Hartman --- drivers/crypto/s5p-sss.c | 2 ++ 1 file changed, 2 insertions(+) --- a/drivers/crypto/s5p-sss.c +++ b/drivers/crypto/s5p-sss.c @@ -2208,6 +2208,8 @@ static int s5p_aes_probe(struct platform variant = find_s5p_sss_version(pdev); res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!res) + return -EINVAL; /* * Note: HASH and PRNG uses the same registers in secss, avoid