From patchwork Tue Jun 7 04:46:21 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Nilesh Javali X-Patchwork-Id: 12871343 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id DD7C0C433EF for ; Tue, 7 Jun 2022 04:46:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236608AbiFGEqt (ORCPT ); Tue, 7 Jun 2022 00:46:49 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37376 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236594AbiFGEqp (ORCPT ); Tue, 7 Jun 2022 00:46:45 -0400 Received: from mx0b-0016f401.pphosted.com (mx0b-0016f401.pphosted.com [67.231.156.173]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 533C6D19E6 for ; Mon, 6 Jun 2022 21:46:44 -0700 (PDT) Received: from pps.filterd (m0045851.ppops.net [127.0.0.1]) by mx0b-0016f401.pphosted.com (8.17.1.5/8.17.1.5) with ESMTP id 256JXafq025411 for ; Mon, 6 Jun 2022 21:46:43 -0700 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=marvell.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-type; s=pfpt0220; bh=SGpUu2mVNBZ83Y9vygB5LxFrGxpZfcVfWeVjSIDr0XI=; b=LT2rg7YpMCktRs3/+aVId1I6qZlGe1aSHufjPbR+u58DOyAV+DLMwmMXzK6tTyEgd+C7 pTHPvASLorjWJOxxIQTEk4z9enoEOxows2McI4lqOkQc57hlB7NVfPH1p89dAqCVgL+b vl3g0A/n4XnouElR0r3lctrxfda7KKJujQXsvV1gujkWGm5MBTtSoGzG/+CnTO2jQgtn bvvDJyzqi9SpMvzK74VuR5f2PGfNhas55JEk2DWgkZ3Jhqytfn17u5rsHmSDx7N3HVA7 3Rd03le+zrlmz6R6CS30/zZE03rxnFsHH9zuYhOPjDfO2VU/iKAVEGV0Ql9uxquT9o1O CQ== Received: from dc5-exch01.marvell.com ([199.233.59.181]) by mx0b-0016f401.pphosted.com (PPS) with ESMTPS id 3gg6wq8q8e-3 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT) for ; Mon, 06 Jun 2022 21:46:43 -0700 Received: from DC5-EXCH01.marvell.com (10.69.176.38) by DC5-EXCH01.marvell.com (10.69.176.38) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Mon, 6 Jun 2022 21:46:41 -0700 Received: from maili.marvell.com (10.69.176.80) by DC5-EXCH01.marvell.com (10.69.176.38) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Mon, 6 Jun 2022 21:46:41 -0700 Received: from dut1171.mv.qlogic.com (unknown [10.112.88.18]) by maili.marvell.com (Postfix) with ESMTP id 16DF23F7075; Mon, 6 Jun 2022 21:46:41 -0700 (PDT) From: Nilesh Javali To: CC: , Subject: [PATCH 05/11] qla2xxx: edif: Fix potential stuck session in sa update Date: Mon, 6 Jun 2022 21:46:21 -0700 Message-ID: <20220607044627.19563-6-njavali@marvell.com> X-Mailer: git-send-email 2.12.0 In-Reply-To: <20220607044627.19563-1-njavali@marvell.com> References: <20220607044627.19563-1-njavali@marvell.com> MIME-Version: 1.0 X-Proofpoint-ORIG-GUID: gj2DXi-tIssBMys8CtK2phX1Z-Jdk5ku X-Proofpoint-GUID: gj2DXi-tIssBMys8CtK2phX1Z-Jdk5ku X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.874,Hydra:6.0.517,FMLib:17.11.64.514 definitions=2022-06-07_01,2022-06-03_01,2022-02-23_01 Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org From: Quinn Tran When a thread is in the process of reestablish a session, a flag is set to prevent multiple threads/triggers from doing the same task. This flag was left on, where any attempt to relogin was locked out. Clear this flag, if the attempt has failed. Fixes: dd30706e73b70 ("scsi: qla2xxx: edif: Add key update") Signed-off-by: Quinn Tran Signed-off-by: Nilesh Javali --- drivers/scsi/qla2xxx/qla_edif.c | 17 ++++++++++++++--- 1 file changed, 14 insertions(+), 3 deletions(-) diff --git a/drivers/scsi/qla2xxx/qla_edif.c b/drivers/scsi/qla2xxx/qla_edif.c index dca54ece4726..c9f6ec49b0b4 100644 --- a/drivers/scsi/qla2xxx/qla_edif.c +++ b/drivers/scsi/qla2xxx/qla_edif.c @@ -2331,6 +2331,7 @@ edif_doorbell_show(struct device *dev, struct device_attribute *attr, static void qla_noop_sp_done(srb_t *sp, int res) { + sp->fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE); /* ref: INIT */ kref_put(&sp->cmd_kref, qla2x00_sp_release); } @@ -2355,7 +2356,8 @@ qla24xx_issue_sa_replace_iocb(scsi_qla_host_t *vha, struct qla_work_evt *e) if (!sa_ctl) { ql_dbg(ql_dbg_edif, vha, 0x70e6, "sa_ctl allocation failed\n"); - return -ENOMEM; + rval = -ENOMEM; + goto done; } fcport = sa_ctl->fcport; @@ -2365,7 +2367,8 @@ qla24xx_issue_sa_replace_iocb(scsi_qla_host_t *vha, struct qla_work_evt *e) if (!sp) { ql_dbg(ql_dbg_edif, vha, 0x70e6, "SRB allocation failed\n"); - return -ENOMEM; + rval = -ENOMEM; + goto done; } fcport->flags |= FCF_ASYNC_SENT; @@ -2394,9 +2397,17 @@ qla24xx_issue_sa_replace_iocb(scsi_qla_host_t *vha, struct qla_work_evt *e) rval = qla2x00_start_sp(sp); - if (rval != QLA_SUCCESS) + if (rval != QLA_SUCCESS) { rval = QLA_FUNCTION_FAILED; + goto done_free_sp; + } + return rval; +done_free_sp: + kref_put(&sp->cmd_kref, qla2x00_sp_release); + fcport->flags &= ~FCF_ASYNC_SENT; +done: + fcport->flags &= ~FCF_ASYNC_ACTIVE; return rval; }