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=-19.2 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,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 8CA3FC433DB for ; Thu, 25 Mar 2021 11:28:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 44E0361A91 for ; Thu, 25 Mar 2021 11:28:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230251AbhCYL2R (ORCPT ); Thu, 25 Mar 2021 07:28:17 -0400 Received: from mail.kernel.org ([198.145.29.99]:34156 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230332AbhCYLZq (ORCPT ); Thu, 25 Mar 2021 07:25:46 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 9BBE861A34; Thu, 25 Mar 2021 11:25:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1616671546; bh=/9ujew30/khoYdl8uTOuMTpa+/+vYu2kig65Xjphl34=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=KQMnqjAla4wqTSPGmJDh0Q8bjpSel62gFLJWqVj3T8ZUuErUEWYrrkJKXp2SCu77L 0vDPCjiv5h3rO8/tbqZWeE5tsoL9fH/nstmy2omkjLcOA1OY1v/yOlyeql3CsK3jkS 54mne8paNCM8DiS+96AVGlM9pi723NlaHveYMl+AfK/LBWllg+M0w4CBTrx+7xoiGe k0gipQX8vnH4xpOTMtxIwTgA8DGYoyhfoRjPX9QwLUwSgTpfolvQZ9NYYNPkn5T/nw YiFRBNFVxHZlBFKybhdzn8P/554aAfPpEqTGdvhtQxLYhvYdK2iVRY4iMg2XwABaa3 TZtBdVW8b0NsA== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Elad Grupi , Sagi Grimberg , Christoph Hellwig , Sasha Levin , linux-nvme@lists.infradead.org Subject: [PATCH AUTOSEL 5.11 36/44] nvmet-tcp: fix kmap leak when data digest in use Date: Thu, 25 Mar 2021 07:24:51 -0400 Message-Id: <20210325112459.1926846-36-sashal@kernel.org> X-Mailer: git-send-email 2.30.1 In-Reply-To: <20210325112459.1926846-1-sashal@kernel.org> References: <20210325112459.1926846-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Elad Grupi [ Upstream commit bac04454ef9fada009f0572576837548b190bf94 ] When data digest is enabled we should unmap pdu iovec before handling the data digest pdu. Signed-off-by: Elad Grupi Reviewed-by: Sagi Grimberg Signed-off-by: Christoph Hellwig Signed-off-by: Sasha Levin --- drivers/nvme/target/tcp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/nvme/target/tcp.c b/drivers/nvme/target/tcp.c index 8b0485ada315..d658c6e8263a 100644 --- a/drivers/nvme/target/tcp.c +++ b/drivers/nvme/target/tcp.c @@ -1098,11 +1098,11 @@ static int nvmet_tcp_try_recv_data(struct nvmet_tcp_queue *queue) cmd->rbytes_done += ret; } + nvmet_tcp_unmap_pdu_iovec(cmd); if (queue->data_digest) { nvmet_tcp_prep_recv_ddgst(cmd); return 0; } - nvmet_tcp_unmap_pdu_iovec(cmd); if (!(cmd->flags & NVMET_TCP_F_INIT_FAILED) && cmd->rbytes_done == cmd->req.transfer_len) { -- 2.30.1