From mboxrd@z Thu Jan 1 00:00:00 1970 From: "John W. Linville" Subject: Re: Oops when insmod rtl8192ce Date: Wed, 27 Jul 2011 09:53:53 -0400 Message-ID: <20110727135353.GA16431@tuxdriver.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: wlanfae-Rasf1IRRPZFBDgjK7y7TUQ@public.gmane.org, Larry Finger , Chaoming Li , linux-wireless-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: hubert Liao Return-path: Content-Disposition: inline In-Reply-To: Sender: linux-wireless-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: netdev.vger.kernel.org On Wed, Jul 27, 2011 at 05:20:15PM +0800, hubert Liao wrote: > Hi, > > We got an oops when insmod rtl8192ce module (the board is an ARM soc), > accroding the oops message, find it's because in rtl_pci_probe() called > _rtl_pci_find_adapter(), > in this funcation, the pdev->bus->self is a NULL pointer . > > static boot _rtl_pci_find_adapter(strcut pci_dev *dev, > struct ieee80211_hw *hw) > { > > struct pci_dev *bridge_pdev = pdev->bus->self; //line 1601 > ... > > pcipriv->ndis_adapter.pcibridge_vendorid = bridge_pdev->vendor; <-- [oops > here] line 1700 > > ... > } > > here, I just want to know why the bus->self is NULL? pdev is coming straight from what is passed to the PCI probe routine. It seems like pdev->bus->self should already be set before that happens. Please open a bug at bugzilla.kernel.org to help us keep track of this -- thanks! John -- John W. Linville Someday the world will need a hero, and you linville-2XuSBdqkA4R54TAoqtyWWQ@public.gmane.org might be all we have. Be ready. -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html