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 818B9C28D15 for ; Tue, 16 Nov 2021 01:12:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6DDE860F6E for ; Tue, 16 Nov 2021 01:12:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1378278AbhKPBOR (ORCPT ); Mon, 15 Nov 2021 20:14:17 -0500 Received: from mail.kernel.org ([198.145.29.99]:44866 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S245276AbhKOTT5 (ORCPT ); Mon, 15 Nov 2021 14:19:57 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id 234B963526; Mon, 15 Nov 2021 18:31:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1637001096; bh=YvsW4dQ9soRoPuExYQmjPfee4G+s5F9IoOSJDp+Qk5w=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=qc/Br2OnG1S8TsmYo8ZNKTUJNwIXYTWDi0wU7HSHIlL6akCHlqotsS/knxCshMoA6 bwW10kpWE4NngdI3TLzaNj2SRrsiY1hd8RaZ/H6DSA8zoUgNQlAIV3M73f1599ibWN EvgKTyKKBmhNX4zPRiSnBHSDnKStXaX+ZGcGaik8= 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 5.15 026/917] crypto: s5p-sss - Add error handling in s5p_aes_probe() Date: Mon, 15 Nov 2021 17:52:01 +0100 Message-Id: <20211115165429.616544594@linuxfoundation.org> X-Mailer: git-send-email 2.33.1 In-Reply-To: <20211115165428.722074685@linuxfoundation.org> References: <20211115165428.722074685@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: linux-kernel@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 @@ -2171,6 +2171,8 @@ 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