On Mon, Jun 01, 2015 at 06:02:52PM +0300, Joonas Lahtinen wrote:
> On pe, 2015-05-22 at 20:04 +0300, Mika Kuoppala wrote:
> > Free the scratch page if dma mapping fails.
> >
> > Signed-off-by: Mika Kuoppala <mika.kuopp...@intel.com>
>
> Reviewed-by: Joonas Lahtinen <joonas.lahti...@linux.intel.com>
Queued for -next, thanks for the patch.
-Daniel
>
> > ---
> > drivers/gpu/drm/i915/i915_gem_gtt.c | 4 +++-
> > 1 file changed, 3 insertions(+), 1 deletion(-)
> >
> > diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c
> > b/drivers/gpu/drm/i915/i915_gem_gtt.c
> > index c61de4a..a608b1b 100644
> > --- a/drivers/gpu/drm/i915/i915_gem_gtt.c
> > +++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
> > @@ -2191,8 +2191,10 @@ static int setup_scratch_page(struct drm_device *dev)
> > #ifdef CONFIG_INTEL_IOMMU
> > dma_addr = pci_map_page(dev->pdev, page, 0, PAGE_SIZE,
> > PCI_DMA_BIDIRECTIONAL);
> > - if (pci_dma_mapping_error(dev->pdev, dma_addr))
> > + if (pci_dma_mapping_error(dev->pdev, dma_addr)) {
> > + __free_page(page);
> > return -EINVAL;
> > + }
> > #else
> > dma_addr = page_to_phys(page);
> > #endif
>
>
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--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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