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=-9.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 9F149C43215 for ; Fri, 22 Nov 2019 10:49:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6E57420718 for ; Fri, 22 Nov 2019 10:49:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1574419752; bh=sVtcO+U1juXAv6eN2pXeaR+Df+VAxnRnido9Jj2MtyA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=N4e3jdaw9LMDbw0OzS9P5uarsqKsc1VYiCHuU3w818DZsHXf0C9su+IZ8Ny4TubeA NfKzpTsJ7FjBKr/KX5w9+CliWbQpSgEuaQ3U/MV8tp0XR1TtQGcRC8lFR0ATaLex4P NHlBYJNr/69ESvHLMk6uKFu/xOIZKuHzbtLCi8JI= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729618AbfKVKtL (ORCPT ); Fri, 22 Nov 2019 05:49:11 -0500 Received: from mail.kernel.org ([198.145.29.99]:58404 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729298AbfKVKtK (ORCPT ); Fri, 22 Nov 2019 05:49:10 -0500 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id E50BA20715; Fri, 22 Nov 2019 10:49:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1574419750; bh=sVtcO+U1juXAv6eN2pXeaR+Df+VAxnRnido9Jj2MtyA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=erZhF+9DTb+9Xl2OGnDpDbjInwrGEFWTKGfZF8bfe/N+OncwnMkgy42DpgXltVooq Fet7EK5eS/AUVhchAQILMgHmSl1Vs2VOcl1BanfPCWjUN6JfsK7wrwBBPXCN3jNtve Jrfa59VUbKu1HjIeL9XY8/DGm9T0dpKThnGgqoQs= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Huibin Hong , Emil Renner Berthing , Mark Brown , Sasha Levin Subject: [PATCH 4.9 220/222] spi: rockchip: initialize dma_slave_config properly Date: Fri, 22 Nov 2019 11:29:20 +0100 Message-Id: <20191122100918.493813734@linuxfoundation.org> X-Mailer: git-send-email 2.24.0 In-Reply-To: <20191122100830.874290814@linuxfoundation.org> References: <20191122100830.874290814@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Huibin Hong [ Upstream commit dd8fd2cbc73f8650f651da71fc61a6e4f30c1566 ] The rxconf and txconf structs are allocated on the stack, so make sure we zero them before filling out the relevant fields. Signed-off-by: Huibin Hong Signed-off-by: Emil Renner Berthing Signed-off-by: Mark Brown Signed-off-by: Sasha Levin --- drivers/spi/spi-rockchip.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/spi/spi-rockchip.c b/drivers/spi/spi-rockchip.c index 0f89c2169c244..3a94f465e8e05 100644 --- a/drivers/spi/spi-rockchip.c +++ b/drivers/spi/spi-rockchip.c @@ -443,6 +443,9 @@ static int rockchip_spi_prepare_dma(struct rockchip_spi *rs) struct dma_slave_config rxconf, txconf; struct dma_async_tx_descriptor *rxdesc, *txdesc; + memset(&rxconf, 0, sizeof(rxconf)); + memset(&txconf, 0, sizeof(txconf)); + spin_lock_irqsave(&rs->lock, flags); rs->state &= ~RXBUSY; rs->state &= ~TXBUSY; -- 2.20.1