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=-20.2 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=unavailable 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 9AE8BC07E9B for ; Mon, 19 Jul 2021 14:58:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8673B6112D for ; Mon, 19 Jul 2021 14:58:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242007AbhGSORl (ORCPT ); Mon, 19 Jul 2021 10:17:41 -0400 Received: from mail.kernel.org ([198.145.29.99]:50840 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S241801AbhGSORM (ORCPT ); Mon, 19 Jul 2021 10:17:12 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 02EC36113A; Mon, 19 Jul 2021 14:57:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1626706671; bh=Vji5UgI9989zKLFBIEOG/luKMLHgpdPbLb5kpNnHW3k=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=fi5Gi60KjAD+URTdceJD/DxlboRzPIW5hG71b1jJpB/eQa1Nais69bb49xpqYex+I 8P8TkQT9Fj3IYV4Dx/+nTbvnOoLkdVnL2qTxviIMuG2mJB9YUVKLcaN4Z/8KUD2ODT cJ0ClLWCtYyGDLAhGEyI/+U+rD+d4kIK+5JMsugc= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Corentin Labbe , Herbert Xu , Sasha Levin Subject: [PATCH 4.4 048/188] crypto: ixp4xx - dma_unmap the correct address Date: Mon, 19 Jul 2021 16:50:32 +0200 Message-Id: <20210719144924.243307213@linuxfoundation.org> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20210719144913.076563739@linuxfoundation.org> References: <20210719144913.076563739@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: Corentin Labbe [ Upstream commit 9395c58fdddd79cdd3882132cdd04e8ac7ad525f ] Testing ixp4xx_crypto with CONFIG_DMA_API_DEBUG lead to the following error: DMA-API: platform ixp4xx_crypto.0: device driver tries to free DMA memory it has not allocated [device address=0x0000000000000000] [size=24 bytes] This is due to dma_unmap using the wrong address. Fixes: 0d44dc59b2b4 ("crypto: ixp4xx - Fix handling of chained sg buffers") Signed-off-by: Corentin Labbe Signed-off-by: Herbert Xu Signed-off-by: Sasha Levin --- drivers/crypto/ixp4xx_crypto.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/crypto/ixp4xx_crypto.c b/drivers/crypto/ixp4xx_crypto.c index 13657105cfb9..8d0613170d57 100644 --- a/drivers/crypto/ixp4xx_crypto.c +++ b/drivers/crypto/ixp4xx_crypto.c @@ -334,7 +334,7 @@ static void free_buf_chain(struct device *dev, struct buffer_desc *buf,u32 phys) buf1 = buf->next; phys1 = buf->phys_next; - dma_unmap_single(dev, buf->phys_next, buf->buf_len, buf->dir); + dma_unmap_single(dev, buf->phys_addr, buf->buf_len, buf->dir); dma_pool_free(buffer_pool, buf, phys); buf = buf1; phys = phys1; -- 2.30.2