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=-18.9 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,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 23D26C2B9F4 for ; Mon, 14 Jun 2021 10:35:07 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 058FB613D0 for ; Mon, 14 Jun 2021 10:35:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233696AbhFNKhG (ORCPT ); Mon, 14 Jun 2021 06:37:06 -0400 Received: from mail.kernel.org ([198.145.29.99]:40036 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232988AbhFNKeZ (ORCPT ); Mon, 14 Jun 2021 06:34:25 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id CB3D6613F1; Mon, 14 Jun 2021 10:32:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1623666726; bh=Ug5aL0ei8EamdokhMXWHFw7MHos6vIKShgbtggwhT0g=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=wn1kcH8K+WA+/Qo2ZFagDHSZRcRUhhOhYcn/twE8Y+tNqQN3BAsJ+ZkCYuFv1DHPC 326QpQXcyvYmV0VJOjKGDSRvq2+sEDCjeGyYLDO1+2RJKeiFe63tLKDvkASDS0DrdP sGN+9P7XHJJzNmxueZEZEUrzUOt+K1fe6Uj9u5K4= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Bart Van Assche , John Garry , Hannes Reinecke , Ming Lei , "Martin K. Petersen" Subject: [PATCH 4.9 40/42] scsi: core: Only put parent device if host state differs from SHOST_CREATED Date: Mon, 14 Jun 2021 12:27:31 +0200 Message-Id: <20210614102643.986990916@linuxfoundation.org> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20210614102642.700712386@linuxfoundation.org> References: <20210614102642.700712386@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Ming Lei commit 1e0d4e6225996f05271de1ebcb1a7c9381af0b27 upstream. get_device(shost->shost_gendev.parent) is called after host state has switched to SHOST_RUNNING. scsi_host_dev_release() shouldn't release the parent device if host state is still SHOST_CREATED. Link: https://lore.kernel.org/r/20210602133029.2864069-5-ming.lei@redhat.com Cc: Bart Van Assche Cc: John Garry Cc: Hannes Reinecke Tested-by: John Garry Reviewed-by: John Garry Signed-off-by: Ming Lei Signed-off-by: Martin K. Petersen Signed-off-by: Greg Kroah-Hartman --- drivers/scsi/hosts.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/scsi/hosts.c +++ b/drivers/scsi/hosts.c @@ -368,7 +368,7 @@ static void scsi_host_dev_release(struct ida_simple_remove(&host_index_ida, shost->host_no); - if (parent) + if (shost->shost_state != SHOST_CREATED) put_device(parent); kfree(shost); }