Philippe Mathieu-Daudé <phi...@redhat.com> 于2020年9月4日周五 下午11:47写道: > > From: Klaus Jensen <k.jen...@samsung.com> > > Some might actually care about the return value of dma_memory_rw. So > let us pass it along instead of ignoring it. > > There are no existing users of the return value, so this patch should be > safe. > > Signed-off-by: Klaus Jensen <k.jen...@samsung.com> > Reviewed-by: Philippe Mathieu-Daudé <phi...@redhat.com> > Reviewed-by: Michael S. Tsirkin <m...@redhat.com> > Acked-by: Keith Busch <kbu...@kernel.org> > Message-Id: <20191011070141.188713-2-...@irrelevant.dk> > Signed-off-by: Philippe Mathieu-Daudé <phi...@redhat.com>
Reviewed-by: Li Qiang <liq...@gmail.com> > --- > include/hw/pci/pci.h | 3 +-- > 1 file changed, 1 insertion(+), 2 deletions(-) > > diff --git a/include/hw/pci/pci.h b/include/hw/pci/pci.h > index 4ca7258b5b7..896cef9ad47 100644 > --- a/include/hw/pci/pci.h > +++ b/include/hw/pci/pci.h > @@ -788,8 +788,7 @@ static inline AddressSpace > *pci_get_address_space(PCIDevice *dev) > static inline int pci_dma_rw(PCIDevice *dev, dma_addr_t addr, > void *buf, dma_addr_t len, DMADirection dir) > { > - dma_memory_rw(pci_get_address_space(dev), addr, buf, len, dir); > - return 0; > + return dma_memory_rw(pci_get_address_space(dev), addr, buf, len, dir); > } > > static inline int pci_dma_read(PCIDevice *dev, dma_addr_t addr, > -- > 2.26.2 > >