From owner-svn-src-all@freebsd.org Thu Nov 19 02:44:08 2020 Return-Path: Delivered-To: svn-src-all@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id F2FFB47CC0D; Thu, 19 Nov 2020 02:44:08 +0000 (UTC) (envelope-from mav@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4Cc3sh6VLzz3L95; Thu, 19 Nov 2020 02:44:08 +0000 (UTC) (envelope-from mav@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id D1F0F1CF0C; Thu, 19 Nov 2020 02:44:08 +0000 (UTC) (envelope-from mav@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id 0AJ2i8iZ067172; Thu, 19 Nov 2020 02:44:08 GMT (envelope-from mav@FreeBSD.org) Received: (from mav@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id 0AJ2i8hc067170; Thu, 19 Nov 2020 02:44:08 GMT (envelope-from mav@FreeBSD.org) Message-Id: <202011190244.0AJ2i8hc067170@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: mav set sender to mav@FreeBSD.org using -f From: Alexander Motin Date: Thu, 19 Nov 2020 02:44:08 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-12@freebsd.org Subject: svn commit: r367825 - stable/12/sys/dev/nvme X-SVN-Group: stable-12 X-SVN-Commit-Author: mav X-SVN-Commit-Paths: stable/12/sys/dev/nvme X-SVN-Commit-Revision: 367825 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 19 Nov 2020 02:44:09 -0000 Author: mav Date: Thu Nov 19 02:44:08 2020 New Revision: 367825 URL: https://svnweb.freebsd.org/changeset/base/367825 Log: MFC r367625: Fix panic if NVMe is detached before the intrhook call. Modified: stable/12/sys/dev/nvme/nvme.c stable/12/sys/dev/nvme/nvme_ctrlr.c Directory Properties: stable/12/ (props changed) Modified: stable/12/sys/dev/nvme/nvme.c ============================================================================== --- stable/12/sys/dev/nvme/nvme.c Thu Nov 19 02:20:38 2020 (r367824) +++ stable/12/sys/dev/nvme/nvme.c Thu Nov 19 02:44:08 2020 (r367825) @@ -145,9 +145,14 @@ nvme_attach(device_t dev) } int -nvme_detach (device_t dev) +nvme_detach(device_t dev) { struct nvme_controller *ctrlr = DEVICE2SOFTC(dev); + + if (ctrlr->config_hook.ich_arg != NULL) { + config_intrhook_disestablish(&ctrlr->config_hook); + ctrlr->config_hook.ich_arg = NULL; + } nvme_ctrlr_destruct(ctrlr, dev); return (0); Modified: stable/12/sys/dev/nvme/nvme_ctrlr.c ============================================================================== --- stable/12/sys/dev/nvme/nvme_ctrlr.c Thu Nov 19 02:20:38 2020 (r367824) +++ stable/12/sys/dev/nvme/nvme_ctrlr.c Thu Nov 19 02:44:08 2020 (r367825) @@ -1099,6 +1099,7 @@ nvme_ctrlr_start_config_hook(void *arg) fail: nvme_ctrlr_fail(ctrlr); config_intrhook_disestablish(&ctrlr->config_hook); + ctrlr->config_hook.ich_arg = NULL; return; } @@ -1116,6 +1117,7 @@ fail: nvme_sysctl_initialize_ctrlr(ctrlr); config_intrhook_disestablish(&ctrlr->config_hook); + ctrlr->config_hook.ich_arg = NULL; ctrlr->is_initialized = 1; nvme_notify_new_controller(ctrlr);