Received: by 2002:a25:ab43:0:0:0:0:0 with SMTP id u61csp449547ybi; Fri, 7 Jun 2019 10:40:46 -0700 (PDT) X-Google-Smtp-Source: APXvYqxY27JxUBa5OGjq9zsESm89/dLSf/EFxHA19UDWVaMGEhoLelwe7rhKAChLAIYBmAJqCLBV X-Received: by 2002:a17:902:624:: with SMTP id 33mr57875182plg.325.1559929246771; Fri, 07 Jun 2019 10:40:46 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1559929246; cv=none; d=google.com; s=arc-20160816; b=xVnkW9cSz9ug0aFhdvs/AMHXdvGiS1eBuTd3UeLp+IUG7LnsDhl9+mfQstCT+/PPwc 5xi6z8xuimL9lu9C24iWmDhFesA23DsXPG7+d/6ov9UNpRGAIM5ubnUJoO4kvqlmuJft H9vI51D5iWxVEp+Wb5vI9CpeAQwSdCyWzJbhXF1E47AJUzvtwcuvDND5bA6whLgD8RuZ p/DoDo0Y1EuquSwR3RdxNha71CP57pf0N5P+TM91Gt9P310FFe7j09x/nggh2/p5MpPD emW/ttkN0PoD3WPeLDDqQ3oZtjbC7UDSZdcNg7/ynC/Sbx/BI92L7USNjQ1J+gfLQtbl bRnQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding:mime-version :user-agent:references:in-reply-to:message-id:date:subject:cc:to :from:dkim-signature; bh=3L6w7S4zbkMmKmul0NBoPh8O+yAgLT61YJ64hpd1ovE=; b=Lfn9y+WtHhSl41N7FCrZA71BtocQRmfGjS5/BZ+VXjIn2FkdAuZ9EjXmAKeSCrrRBR TN/0/0kaZeLP+/xmb0rB2IfR9fCdkeObN1Rtvjvn9b3lbvYQr61fOR7WPkPd/mEFHtvQ AsFSRg3rzZVLhZCyU0qrxNI/yvGL0JwAB5IHCf5CzfElHj8hdKSqlzPgLMk0Op992lAG EEoqnIxg6aruj01KU+gjHk+DY3pfA1ykm+jyF+klyyGPKs2JlqO0MvM+yF14D0JDrztY hSkK7PAX5okq+XZe3EciIblu0xGgGSIdN7FJu3DUVX8U+bJ5m+7Ct8wrjH0h4Gmxb7JQ 2Y4A== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@kernel.org header.s=default header.b=UIHZjz0I; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id i1si2292470pjt.4.2019.06.07.10.40.23; Fri, 07 Jun 2019 10:40:46 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=default header.b=UIHZjz0I; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730398AbfFGPls (ORCPT + 99 others); Fri, 7 Jun 2019 11:41:48 -0400 Received: from mail.kernel.org ([198.145.29.99]:51890 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730382AbfFGPlq (ORCPT ); Fri, 7 Jun 2019 11:41:46 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id B1028212F5; Fri, 7 Jun 2019 15:41:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1559922106; bh=2E2IjA34qSo/fKNY3X8CRxHV6+s/N0e7D8LRd3pIZC0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=UIHZjz0IrbjNmoIlsXRZsxBJcF0sdSaFZavkl58DKrFaOX8s+NgNovjBKAhAJbf/R 7TnYod80sps76sJGnViYN2jDnaZfBAJb/5bXpwQ41IuPCuX5MGRGPlMGP2WBIe+Rtn jQYA/XXMul5RZ+1SfqJLJTrWTwwHG3UTzJzViW2g= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Steffen Maier , Jens Remus , Benjamin Block , "Martin K. Petersen" Subject: [PATCH 4.14 37/69] scsi: zfcp: fix missing zfcp_port reference put on -EBUSY from port_remove Date: Fri, 7 Jun 2019 17:39:18 +0200 Message-Id: <20190607153852.950114634@linuxfoundation.org> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190607153848.271562617@linuxfoundation.org> References: <20190607153848.271562617@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Steffen Maier commit d27e5e07f9c49bf2a6a4ef254ce531c1b4fb5a38 upstream. With this early return due to zfcp_unit child(ren), we don't use the zfcp_port reference from the earlier zfcp_get_port_by_wwpn() anymore and need to put it. Signed-off-by: Steffen Maier Fixes: d99b601b6338 ("[SCSI] zfcp: restore refcount check on port_remove") Cc: #3.7+ Reviewed-by: Jens Remus Reviewed-by: Benjamin Block Signed-off-by: Martin K. Petersen Signed-off-by: Greg Kroah-Hartman --- drivers/s390/scsi/zfcp_sysfs.c | 1 + 1 file changed, 1 insertion(+) --- a/drivers/s390/scsi/zfcp_sysfs.c +++ b/drivers/s390/scsi/zfcp_sysfs.c @@ -264,6 +264,7 @@ static ssize_t zfcp_sysfs_port_remove_st if (atomic_read(&port->units) > 0) { retval = -EBUSY; mutex_unlock(&zfcp_sysfs_port_units_mutex); + put_device(&port->dev); /* undo zfcp_get_port_by_wwpn() */ goto out; } /* port is about to be removed, so no more unit_add */