On Thu, Nov 06, 2014 at 07:14:51PM +0000, Stefano Stabellini wrote:
> On Thu, 6 Nov 2014, Frediano Ziglio wrote:
> > 2014-11-06 17:30 GMT+00:00 Stefano Stabellini
> > <stefano.stabell...@eu.citrix.com>:
> > On Thu, 6 Nov 2014, Frediano Ziglio wrote:
> > > On ARM error code is not 0 so avoid to return it as error.
> > >
> > > Signed-off-by: Frediano Ziglio <frediano.zig...@huawei.com>
> >
> > Acked-by: Stefano Stabellini <stefano.stabell...@eu.citrix.com>
> >
> >
> > Could you please fix the same error in lib/swiotlb.c too please?
> >
> >
> > Same patch or another ?
> >
>
> Another
It might break the build. Please double-check that it does not affect
ia64.
>
> >
> > > drivers/xen/swiotlb-xen.c | 2 +-
> > > 1 file changed, 1 insertion(+), 1 deletion(-)
> > >
> > > diff --git a/drivers/xen/swiotlb-xen.c b/drivers/xen/swiotlb-xen.c
> > > index ebd8f21..3b8d628 100644
> > > --- a/drivers/xen/swiotlb-xen.c
> > > +++ b/drivers/xen/swiotlb-xen.c
> > > @@ -425,7 +425,7 @@ dma_addr_t xen_swiotlb_map_page(struct device
> > *dev, struct page *page,
> > > */
> > > if (!dma_capable(dev, dev_addr, size)) {
> > > swiotlb_tbl_unmap_single(dev, map, size, dir);
> > > - dev_addr = 0;
> > > + dev_addr = DMA_ERROR_CODE;
That looks Ok to me.
> > > }
> > > return dev_addr;
> > > }
> > > --
> > > 1.9.1
> > >
> > >
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