[+cc Anders] On Tue, Jul 24, 2018 at 4:39 AM Arnd Bergmann <arnd@xxxxxxxx> wrote: > > The newly introduced function produces a warning without CONFIG_PCI_QUIRKS: > > drivers/pci/probe.c: In function 'pci_bus_read_dev_vendor_id': > drivers/pci/probe.c:2221:18: error: unused variable 'bridge' [-Werror=unused-variable] > > Move the variable declaration into that #ifdef to avoid the warning. > > Fixes: ac5ea104a279 ("PCI: Workaround IDT switch ACS Source Validation erratum") > Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx> Fixed already with a patch from Anders Roxell <anders.roxell@xxxxxxxxxx>, thanks! > --- > drivers/pci/probe.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c > index 1c581346c5b9..7a5323798312 100644 > --- a/drivers/pci/probe.c > +++ b/drivers/pci/probe.c > @@ -2218,9 +2218,9 @@ bool pci_bus_generic_read_dev_vendor_id(struct pci_bus *bus, int devfn, u32 *l, > bool pci_bus_read_dev_vendor_id(struct pci_bus *bus, int devfn, u32 *l, > int timeout) > { > +#ifdef CONFIG_PCI_QUIRKS > struct pci_dev *bridge = bus->self; > > -#ifdef CONFIG_PCI_QUIRKS > /* > * Certain IDT switches have an issue where they improperly trigger > * ACS Source Validation errors on completions for config reads. > -- > 2.18.0 >