From: Thierry Reding <treding@xxxxxxxxxx>
When an importer wants to map a DMA-BUF, make sure to always actually
map it, irrespective of whether the buffer is contiguous or not.
Signed-off-by: Thierry Reding <treding@xxxxxxxxxx>
---
drivers/gpu/drm/tegra/gem.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/tegra/gem.c b/drivers/gpu/drm/tegra/gem.c
index 3345cce14662..00701cadaceb 100644
--- a/drivers/gpu/drm/tegra/gem.c
+++ b/drivers/gpu/drm/tegra/gem.c
@@ -516,15 +516,15 @@ tegra_gem_prime_map_dma_buf(struct dma_buf_attachment *attach,
for_each_sg(sgt->sgl, sg, bo->num_pages, i)
sg_set_page(sg, bo->pages[i], PAGE_SIZE, 0);
-
- if (dma_map_sg(attach->dev, sgt->sgl, sgt->nents, dir) == 0)
- goto free;
} else {
if (dma_get_sgtable(attach->dev, sgt, bo->vaddr, bo->iova,
gem->size) < 0)
goto free;
}
+ if (dma_map_sg(attach->dev, sgt->sgl, sgt->nents, dir) == 0)
+ goto free;
+
return sgt;
free:
--
2.23.0
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