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=-6.0 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 57BC8C04AAC for ; Mon, 20 May 2019 12:43:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 2BAAD20815 for ; Mon, 20 May 2019 12:43:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1558356229; bh=Vc76SIEwx46ODrXQqltdqyN2/mHnKSGbQiibyzx/1hQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=mdwdKkYSMo0WhQ59ebGa7wAqXagFXfj9yJyHuolZwQXPJaXYfpzFSD50+5vUZZPuA FAe2ydTWMLLGbP5JXOTznLXYjUA6ndfrPTvtU4XcpuM/0IgGMm0e4PSfYPOtFx6oq9 cvNYTwobtCOhYNjFsgAEZ6h5+aESgLYsgDVLHiF8= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389754AbfETMno (ORCPT ); Mon, 20 May 2019 08:43:44 -0400 Received: from mail.kernel.org ([198.145.29.99]:44662 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2389741AbfETM2q (ORCPT ); Mon, 20 May 2019 08:28:46 -0400 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 DB4BA20645; Mon, 20 May 2019 12:28:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1558355325; bh=Vc76SIEwx46ODrXQqltdqyN2/mHnKSGbQiibyzx/1hQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=u3fL8GWx5H2E4fXJg3vZp359nb0eI5emHn+kqjplqzM/GTfYpaMckmXA6Pl+TPpx6 oBvKj/PkRcW4OkY+ZYpHidy4Nsmf99tghxty7lPg4VjJJuhIiNO6n2a9yLd+Edrm1r HhBsRxGBZDRHdEPFnrMaX3ptgIWKFiet+Q2YJlkM= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Gilad Ben-Yossef , Herbert Xu Subject: [PATCH 5.0 059/123] crypto: ccree - fix mem leak on error path Date: Mon, 20 May 2019 14:13:59 +0200 Message-Id: <20190520115248.697804651@linuxfoundation.org> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190520115245.439864225@linuxfoundation.org> References: <20190520115245.439864225@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: Gilad Ben-Yossef commit d574b707c873d6ef1a2a155f8cfcfecd821e9a2e upstream. Fix a memory leak on the error path of IV generation code. Signed-off-by: Gilad Ben-Yossef Cc: stable@vger.kernel.org # v4.19+ Signed-off-by: Herbert Xu Signed-off-by: Greg Kroah-Hartman --- drivers/crypto/ccree/cc_ivgen.c | 9 +++------ 1 file changed, 3 insertions(+), 6 deletions(-) --- a/drivers/crypto/ccree/cc_ivgen.c +++ b/drivers/crypto/ccree/cc_ivgen.c @@ -154,9 +154,6 @@ void cc_ivgen_fini(struct cc_drvdata *dr } ivgen_ctx->pool = NULL_SRAM_ADDR; - - /* release "this" context */ - kfree(ivgen_ctx); } /*! @@ -174,10 +171,12 @@ int cc_ivgen_init(struct cc_drvdata *drv int rc; /* Allocate "this" context */ - ivgen_ctx = kzalloc(sizeof(*ivgen_ctx), GFP_KERNEL); + ivgen_ctx = devm_kzalloc(device, sizeof(*ivgen_ctx), GFP_KERNEL); if (!ivgen_ctx) return -ENOMEM; + drvdata->ivgen_handle = ivgen_ctx; + /* Allocate pool's header for initial enc. key/IV */ ivgen_ctx->pool_meta = dma_alloc_coherent(device, CC_IVPOOL_META_SIZE, &ivgen_ctx->pool_meta_dma, @@ -196,8 +195,6 @@ int cc_ivgen_init(struct cc_drvdata *drv goto out; } - drvdata->ivgen_handle = ivgen_ctx; - return cc_init_iv_sram(drvdata); out: