On Fri, Sep 22, 2023 at 12:04:10PM -0400, Peter Xu wrote: > This patch fixes the warning of shadowed local variable: > > ../hw/i386/intel_iommu.c: In function ‘vtd_address_space_unmap’: > ../hw/i386/intel_iommu.c:3773:18: warning: declaration of ‘size’ shadows a > previous local [-Wshadow=compatible-local] > 3773 | uint64_t size = mask + 1; > | ^~~~ > ../hw/i386/intel_iommu.c:3747:12: note: shadowed declaration is here > 3747 | hwaddr size, remain; > | ^~~~ > > Cc: Jason Wang <jasow...@redhat.com> > Cc: Eric Auger <eric.au...@redhat.com> > Cc: Michael S. Tsirkin <m...@redhat.com> > Cc: Markus Armbruster <arm...@redhat.com> > Signed-off-by: Peter Xu <pet...@redhat.com>
Reviewed-by: Michael S. Tsirkin <m...@redhat.com> > --- > hw/i386/intel_iommu.c | 8 ++++---- > 1 file changed, 4 insertions(+), 4 deletions(-) > > diff --git a/hw/i386/intel_iommu.c b/hw/i386/intel_iommu.c > index c9961ef752..ae30c2b469 100644 > --- a/hw/i386/intel_iommu.c > +++ b/hw/i386/intel_iommu.c > @@ -3744,7 +3744,7 @@ VTDAddressSpace *vtd_find_add_as(IntelIOMMUState *s, > PCIBus *bus, > /* Unmap the whole range in the notifier's scope. */ > static void vtd_address_space_unmap(VTDAddressSpace *as, IOMMUNotifier *n) > { > - hwaddr size, remain; > + hwaddr total, remain; > hwaddr start = n->start; > hwaddr end = n->end; > IntelIOMMUState *s = as->iommu_state; > @@ -3765,7 +3765,7 @@ static void vtd_address_space_unmap(VTDAddressSpace > *as, IOMMUNotifier *n) > } > > assert(start <= end); > - size = remain = end - start + 1; > + total = remain = end - start + 1; > > while (remain >= VTD_PAGE_SIZE) { > IOMMUTLBEvent event; > @@ -3793,10 +3793,10 @@ static void vtd_address_space_unmap(VTDAddressSpace > *as, IOMMUNotifier *n) > trace_vtd_as_unmap_whole(pci_bus_num(as->bus), > VTD_PCI_SLOT(as->devfn), > VTD_PCI_FUNC(as->devfn), > - n->start, size); > + n->start, total); > > map.iova = n->start; > - map.size = size - 1; /* Inclusive */ > + map.size = total - 1; /* Inclusive */ > iova_tree_remove(as->iova_tree, map); > } > > -- > 2.41.0