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 X-Spam-Level: X-Spam-Status: No, score=-9.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0697AC48BD3 for ; Thu, 27 Jun 2019 00:36:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id CE3B0218A4 for ; Thu, 27 Jun 2019 00:36:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1561595805; bh=w5IZDkSLxGEqn14qMvhic0c5tKN9ytUQ6ouAmyL657g=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=VcPC3S38iXAMytQ99ZmSFHCsIypTxPJqidG85VrZPnBnkV/O9TyZniD0tk2Dioqzn 8w9jIACzQeNXcwygYGcAxYMCFtlNJUoh/9lEMsB1nMzpUtPdpW8Me3P7uHJb6F9eab jOI0azMbp3cLxtU1oQCR10Q0PzQMqIk8UTS2srmg= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728393AbfF0Ago (ORCPT ); Wed, 26 Jun 2019 20:36:44 -0400 Received: from mail.kernel.org ([198.145.29.99]:41282 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728380AbfF0Agn (ORCPT ); Wed, 26 Jun 2019 20:36:43 -0400 Received: from sasha-vm.mshome.net (unknown [107.242.116.147]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 0238C21852; Thu, 27 Jun 2019 00:36:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1561595802; bh=w5IZDkSLxGEqn14qMvhic0c5tKN9ytUQ6ouAmyL657g=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=0CA9+mSaQhX6SH1I0eyZLahtLHtRqSQ+ubMFgjGebktob+oeh67Jx7+7ZkvkT6CiB MCnCO96lSmqRjz+E9B8ufpOqrdsVfnAKJ7ma2oP174TLiBe02U3CdgCdE0DaqjW+D+ tyG3WPz3l6PkGAB3Hb6GtuGYtSGLHOCM/N7KMwTw= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Srinivas Kandagatla , Pierre-Louis Bossart , Vinod Koul , Sasha Levin Subject: [PATCH AUTOSEL 4.19 08/60] soundwire: stream: fix out of boundary access on port properties Date: Wed, 26 Jun 2019 20:35:23 -0400 Message-Id: <20190627003616.20767-8-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190627003616.20767-1-sashal@kernel.org> References: <20190627003616.20767-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Srinivas Kandagatla [ Upstream commit 03ecad90d3798be11b033248bbd4bbff4425a1c7 ] Assigning local iterator to array element and using it again for indexing would cross the array boundary. Fix this by directly referring array element without using the local variable. Signed-off-by: Srinivas Kandagatla Acked-by: Pierre-Louis Bossart Signed-off-by: Vinod Koul Signed-off-by: Sasha Levin --- drivers/soundwire/stream.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/drivers/soundwire/stream.c b/drivers/soundwire/stream.c index e5c7e1ef6318..907a548645b7 100644 --- a/drivers/soundwire/stream.c +++ b/drivers/soundwire/stream.c @@ -1236,9 +1236,7 @@ struct sdw_dpn_prop *sdw_get_slave_dpn_prop(struct sdw_slave *slave, } for (i = 0; i < num_ports; i++) { - dpn_prop = &dpn_prop[i]; - - if (dpn_prop->num == port_num) + if (dpn_prop[i].num == port_num) return &dpn_prop[i]; } -- 2.20.1