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=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, 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 A19A1C432C0 for ; Fri, 22 Nov 2019 06:02:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 693282068F for ; Fri, 22 Nov 2019 06:02:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1574402540; bh=scB8O+eVXyBPc4/vjx0Hl/m2poIpD1+Ps8hKHZnlgZ0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=gfUvk2MmgM/mLjbybiirfOIdCFlqA7tjf1PNs5bTMZ2SLzdAlyEIX78Y3bn9sA4He as1Ox0BtzvWufY+uvnA6KY3Op+yW5MOkmwz1/6sj3SOnESJh3yA5ie6mePn3FUcW43 JxQ24bd/0DwhmWFTSKhQdoTlsEH/FDFF8qFvS3U8= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729678AbfKVGCT (ORCPT ); Fri, 22 Nov 2019 01:02:19 -0500 Received: from mail.kernel.org ([198.145.29.99]:40784 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726685AbfKVGCP (ORCPT ); Fri, 22 Nov 2019 01:02:15 -0500 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 1ED062068F; Fri, 22 Nov 2019 06:02:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1574402535; bh=scB8O+eVXyBPc4/vjx0Hl/m2poIpD1+Ps8hKHZnlgZ0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=BP6fwWhwvnIer2N2dK3TUVZO1XAPxDjcwLJuLN3BcebS0dyFU/6fwQB+7006n0+WN uN40P3SmTkaylgp7U1EzAr3Mm5bCK3WmcIm0fCNihXCMUT6R91903G9niyjxmYF9VJ b/S2PcOXYxEFU2Mxu/OJFkDmaHBU5dqhYU6EsK/A= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Bart Van Assche , Sergey Gorenko , Max Gurtovoy , Laurence Oberman , Doug Ledford , Sasha Levin , linux-rdma@vger.kernel.org Subject: [PATCH AUTOSEL 4.9 42/91] RDMA/srp: Propagate ib_post_send() failures to the SCSI mid-layer Date: Fri, 22 Nov 2019 01:00:40 -0500 Message-Id: <20191122060129.4239-41-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20191122060129.4239-1-sashal@kernel.org> References: <20191122060129.4239-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Bart Van Assche [ Upstream commit 2ee00f6a98c36f7e4ba07cc33f24cc5a69060cc9 ] This patch avoids that the SCSI mid-layer keeps retrying forever if ib_post_send() fails. This was discovered while testing immediate data support and passing a too large num_sge value to ib_post_send(). Cc: Sergey Gorenko Cc: Max Gurtovoy Cc: Laurence Oberman Signed-off-by: Bart Van Assche Signed-off-by: Doug Ledford Signed-off-by: Sasha Levin --- drivers/infiniband/ulp/srp/ib_srp.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/infiniband/ulp/srp/ib_srp.c b/drivers/infiniband/ulp/srp/ib_srp.c index 74de1ae48d4f7..af68be201c299 100644 --- a/drivers/infiniband/ulp/srp/ib_srp.c +++ b/drivers/infiniband/ulp/srp/ib_srp.c @@ -2180,6 +2180,7 @@ static int srp_queuecommand(struct Scsi_Host *shost, struct scsi_cmnd *scmnd) if (srp_post_send(ch, iu, len)) { shost_printk(KERN_ERR, target->scsi_host, PFX "Send failed\n"); + scmnd->result = DID_ERROR << 16; goto err_unmap; } -- 2.20.1