Messages in this thread | | | Date | Thu, 1 Aug 2019 22:10:35 -0700 | From | Kees Cook <> | Subject | Re: [PATCH] PCI: Mark expected switch fall-through |
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On Thu, Aug 01, 2019 at 08:22:48PM -0500, Gustavo A. R. Silva wrote: > Mark switch cases where we are expecting to fall through. > > This patch fixes the following warning (Building: allmodconfig i386): > > drivers/pci/hotplug/ibmphp_res.c: In function ‘update_bridge_ranges’: > drivers/pci/hotplug/ibmphp_res.c:1943:16: warning: this statement may fall through [-Wimplicit-fallthrough=] > function = 0x8; > ~~~~~~~~~^~~~~ > drivers/pci/hotplug/ibmphp_res.c:1944:6: note: here > case PCI_HEADER_TYPE_MULTIBRIDGE: > ^~~~ > > Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
-Kees
> --- > drivers/pci/hotplug/ibmphp_res.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/pci/hotplug/ibmphp_res.c b/drivers/pci/hotplug/ibmphp_res.c > index 5e8caf7a4452..1e1ba66cfd1e 100644 > --- a/drivers/pci/hotplug/ibmphp_res.c > +++ b/drivers/pci/hotplug/ibmphp_res.c > @@ -1941,6 +1941,7 @@ static int __init update_bridge_ranges(struct bus_node **bus) > break; > case PCI_HEADER_TYPE_BRIDGE: > function = 0x8; > + /* Fall through */ > case PCI_HEADER_TYPE_MULTIBRIDGE: > /* We assume here that only 1 bus behind the bridge > TO DO: add functionality for several: > -- > 2.22.0 >
-- Kees Cook
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