Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754549AbdLGNBO (ORCPT ); Thu, 7 Dec 2017 08:01:14 -0500 Received: from mail.linuxfoundation.org ([140.211.169.12]:32956 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753815AbdLGNBM (ORCPT ); Thu, 7 Dec 2017 08:01:12 -0500 From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Roy Shterman , Sagi Grimberg , Christoph Hellwig , Sasha Levin Subject: [PATCH 4.9 076/109] nvmet: cancel fatal error and flush async work before free controller Date: Thu, 7 Dec 2017 13:57:00 +0100 Message-Id: <20171207125643.413276323@linuxfoundation.org> X-Mailer: git-send-email 2.15.1 In-Reply-To: <20171207125634.631485452@linuxfoundation.org> References: <20171207125634.631485452@linuxfoundation.org> User-Agent: quilt/0.65 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 976 Lines: 34 4.9-stable review patch. If anyone has any objections, please let me know. ------------------ From: Sagi Grimberg [ Upstream commit 06406d81a2d7cfb8abcc4fa6cdfeb8e5897007c5 ] Make sure they are not running and we can free the controller safely. Signed-off-by: Roy Shterman Signed-off-by: Sagi Grimberg Reviewed-by: Christoph Hellwig Signed-off-by: Sasha Levin Signed-off-by: Greg Kroah-Hartman --- drivers/nvme/target/core.c | 3 +++ 1 file changed, 3 insertions(+) --- a/drivers/nvme/target/core.c +++ b/drivers/nvme/target/core.c @@ -816,6 +816,9 @@ static void nvmet_ctrl_free(struct kref list_del(&ctrl->subsys_entry); mutex_unlock(&subsys->lock); + flush_work(&ctrl->async_event_work); + cancel_work_sync(&ctrl->fatal_err_work); + ida_simple_remove(&subsys->cntlid_ida, ctrl->cntlid); nvmet_subsys_put(subsys);