On 2018.07.19 11:19:21 +0300, Dan Carpenter wrote:
> The dma_mapping_error() returns true on error but we want to return
> -ENOMEM here.
>
> Fixes: 79e542f5af79 ("drm/i915/kvmgt: Support setting dma map for huge pages")
> Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
>
Applied, thanks!
> diff --git a/drivers/gpu/drm/i915/gvt/kvmgt.c b/drivers/gpu/drm/i915/gvt/kvmgt.c
> index 4d2f53ae9f0f..32ec5748f176 100644
> --- a/drivers/gpu/drm/i915/gvt/kvmgt.c
> +++ b/drivers/gpu/drm/i915/gvt/kvmgt.c
> @@ -187,14 +187,14 @@ static int gvt_dma_map_page(struct intel_vgpu *vgpu, unsigned long gfn,
>
> /* Setup DMA mapping. */
> *dma_addr = dma_map_page(dev, page, 0, size, PCI_DMA_BIDIRECTIONAL);
> - ret = dma_mapping_error(dev, *dma_addr);
> - if (ret) {
> + if (dma_mapping_error(dev, *dma_addr)) {
> gvt_vgpu_err("DMA mapping failed for pfn 0x%lx, ret %d\n",
> page_to_pfn(page), ret);
> gvt_unpin_guest_page(vgpu, gfn, size);
> + return -ENOMEM;
> }
>
> - return ret;
> + return 0;
> }
>
> static void gvt_dma_unmap_page(struct intel_vgpu *vgpu, unsigned long gfn,
> _______________________________________________
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> intel-gvt-dev@xxxxxxxxxxxxxxxxxxxxx
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