From patchwork Wed May 12 14:45:30 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 436427 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=-19.4 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=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 195BFC43603 for ; Wed, 12 May 2021 16:45:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id CFBCC613BE for ; Wed, 12 May 2021 16:45:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234401AbhELQoN (ORCPT ); Wed, 12 May 2021 12:44:13 -0400 Received: from mail.kernel.org ([198.145.29.99]:57842 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S243246AbhELQhA (ORCPT ); Wed, 12 May 2021 12:37:00 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 0BFE361E1C; Wed, 12 May 2021 16:01:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1620835289; bh=AvDDK1Y6Oua6B9Ocw9/JoBQjCp4NDpQvoAS1goOTYVM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Uqbf6CeOF2XMRNfzzwrRZFxF88dHL+1IydSR+YH4pDw7jAgNneQ+FWOsT2xNatnxL vXwgBoOb/Iireh6mZfNOcHlm91X/2zueHzszJpDnj4xqCvsI3vdG88Uy+dMofqoYmi uhPjFgKVeKqtv7qgQM4WCMV5JhNNHiNdA+J6l17I= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Colin Ian King , Herbert Xu , Sasha Levin Subject: [PATCH 5.12 284/677] crypto: sa2ul - Fix memory leak of rxd Date: Wed, 12 May 2021 16:45:30 +0200 Message-Id: <20210512144846.649155226@linuxfoundation.org> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210512144837.204217980@linuxfoundation.org> References: <20210512144837.204217980@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Colin Ian King [ Upstream commit 854b7737199848a91f6adfa0a03cf6f0c46c86e8 ] There are two error return paths that are not freeing rxd and causing memory leaks. Fix these. Addresses-Coverity: ("Resource leak") Fixes: 00c9211f60db ("crypto: sa2ul - Fix DMA mapping API usage") Signed-off-by: Colin Ian King Signed-off-by: Herbert Xu Signed-off-by: Sasha Levin --- drivers/crypto/sa2ul.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/drivers/crypto/sa2ul.c b/drivers/crypto/sa2ul.c index d7b1628fb484..b0f0502a5bb0 100644 --- a/drivers/crypto/sa2ul.c +++ b/drivers/crypto/sa2ul.c @@ -1146,8 +1146,10 @@ static int sa_run(struct sa_req *req) mapped_sg->sgt.sgl = src; mapped_sg->sgt.orig_nents = src_nents; ret = dma_map_sgtable(ddev, &mapped_sg->sgt, dir_src, 0); - if (ret) + if (ret) { + kfree(rxd); return ret; + } mapped_sg->dir = dir_src; mapped_sg->mapped = true; @@ -1155,8 +1157,10 @@ static int sa_run(struct sa_req *req) mapped_sg->sgt.sgl = req->src; mapped_sg->sgt.orig_nents = sg_nents; ret = dma_map_sgtable(ddev, &mapped_sg->sgt, dir_src, 0); - if (ret) + if (ret) { + kfree(rxd); return ret; + } mapped_sg->dir = dir_src; mapped_sg->mapped = true;