From patchwork Wed May 12 14:45:38 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 437017 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, 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 CCA91C43600 for ; Wed, 12 May 2021 15:29:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9DC4961C2B for ; Wed, 12 May 2021 15:29:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231834AbhELPa6 (ORCPT ); Wed, 12 May 2021 11:30:58 -0400 Received: from mail.kernel.org ([198.145.29.99]:38784 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235148AbhELP04 (ORCPT ); Wed, 12 May 2021 11:26:56 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id CC61761A0F; Wed, 12 May 2021 15:11:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1620832310; bh=GrDk/zsa2GMA97HFS9gxyKbTjbhNFRNPg2EHVtDo/N4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ydIkueQFvcZcxq01KoFHr2kRTJd85VctD6/kdIxhpr+SXtNpQuDBY300ech2Jb8sO BJVlcrKrsVZ1yOJuDO6Hcp+uXfF3nQWJKxH6LeK2n43gCsCoRMfjQEn23ZIW7UfpCs CszCwBWV2YC5b+2P+REhbWGMpi0r2z/MpKH6GcHs= 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 5.10 228/530] crypto: sa2ul - Fix memory leak of rxd Date: Wed, 12 May 2021 16:45:38 +0200 Message-Id: <20210512144827.322331687@linuxfoundation.org> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210512144819.664462530@linuxfoundation.org> References: <20210512144819.664462530@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 39d56ab12f27..4640fe0c1f22 100644 --- a/drivers/crypto/sa2ul.c +++ b/drivers/crypto/sa2ul.c @@ -1138,8 +1138,10 @@ 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; @@ -1147,8 +1149,10 @@ 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;