From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrew Morton Subject: Re: [PATCH] sk98lin: handle pci_enable_device() return value in skge_resume() properly Date: Thu, 12 Oct 2006 17:50:13 -0700 Message-ID: <20061012175013.87564a57.akpm@osdl.org> References: <20061012152512.66f147b8@freekitty> <20061012154714.6924f465@freekitty> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Cc: Stephen Hemminger , mlindner@syskonnect.de, rroesler@syskonnect.de, Jeff Garzik , linux-kernel@vger.kernel.org, netdev@vger.kernel.org Return-path: To: Jiri Kosina In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org On Fri, 13 Oct 2006 00:57:18 +0200 (CEST) Jiri Kosina wrote: > @@ -5070,7 +5070,13 @@ static int skge_resume(struct pci_dev *p > > pci_set_power_state(pdev, PCI_D0); > pci_restore_state(pdev); > - pci_enable_device(pdev); > + ret = pci_enable_device(pdev); > + if (ret) { > + printk(KERN_ERR "sk98lin: Cannot enable PCI device %s during resume\n", > + dev->name); > + unregister_netdev(dev); This looks rather wrong - skge_exit() will run unregister_netdev() again. Look a few lines down, to where this function already handles request_irq() failure, reuse that code path. Hopefully it has been tested.. (Once we have an easy-to-use fault-injection framework we'll be able to test all these things more easily) (But it's possible to test them already, with a bit of ad-hoc testing code)