From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752788Ab2IRXyu (ORCPT ); Tue, 18 Sep 2012 19:54:50 -0400 Received: from cavan.codon.org.uk ([93.93.128.6]:55146 "EHLO cavan.codon.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751952Ab2IRXyr (ORCPT ); Tue, 18 Sep 2012 19:54:47 -0400 Date: Wed, 19 Sep 2012 00:54:38 +0100 From: Matthew Garrett To: Yinghai Lu Cc: Bjorn Helgaas , linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, x86@kernel.org, Dave Airlie , Andrew Morton , Julia Lawall Subject: Re: [PATCH] PCI: fix default vga ref_count Message-ID: <20120918235438.GA13373@srcf.ucam.org> References: <1348011882-31452-1-git-send-email-yinghai@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1348011882-31452-1-git-send-email-yinghai@kernel.org> User-Agent: Mutt/1.5.20 (2009-06-14) X-SA-Exim-Connect-IP: X-SA-Exim-Mail-From: mjg59@cavan.codon.org.uk X-SA-Exim-Scanned: No (on cavan.codon.org.uk); SAEximRunCond expanded to false Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Sep 18, 2012 at 04:44:42PM -0700, Yinghai Lu wrote: > void vga_set_default_device(struct pci_dev *pdev) > { > + if (vga_default) > + pci_dev_put(vga_default); > + > + if (pdev) > + pdev = pci_dev_get(pdev); > + > vga_default = pdev; It shouldn't happen, but do we want to check for the vga_default == pdev case? -- Matthew Garrett | mjg59@srcf.ucam.org