On Wed, Jun 09, 2010 at 10:31:13PM +0200, Jiri Slaby wrote: > There are devices out there which are PCI Hot-plug controllers with > compaq PCI IDs, but are not bridges, hence have pdev->subordinate > NULL. But cpqphp expects the pointer to be non-NULL. > > Add a check to the probe function to avoid oopses like: > BUG: unable to handle kernel NULL pointer dereference at 00000050 > IP: [<f82e3c41>] cpqhpc_probe+0x951/0x1120 [cpqphp] > *pdpt = 0000000033779001 *pde = 0000000000000000 > ... > > The device here was: > 00:0b.0 PCI Hot-plug controller [0804]: Compaq Computer Corporation PCI Hotplug Controller [0e11:a0f7] (rev 11) > Subsystem: Compaq Computer Corporation Device [0e11:a2f8] > > Signed-off-by: Jiri Slaby <jslaby@xxxxxxx> > Cc: Greg KH <greg@xxxxxxxxx> Acked-by: Greg Kroah-Hartman <gregkh@xxxxxxx> thanks, greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
