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drm/exynos: remove unnecessary sg_alloc_table call 

The function dma_get_sgtable will allocate a sg table internally so
it is not necessary to allocate a sg table before it. The unnecessary
'sg_alloc_table' call is removed.

Signed-off-by: Prathyush K <prathyush.k@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
This commit is contained in:
Prathyush K 2012-11-07 15:58:58 +05:30 committed by Inki Dae
parent 4ddc404bc0
commit 1119707e22
1 changed files with 1 additions and 7 deletions
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8
drivers/gpu/drm/exynos/exynos_drm_dmabuf.c
View File

@ -40,21 +40,15 @@ static struct sg_table *exynos_get_sgt(struct drm_device *drm_dev,
if (!sgt)
goto out;
ret = sg_alloc_table(sgt, buf->sgt->nents, GFP_KERNEL);
if (ret)
goto err_free_sgt;
ret = dma_get_sgtable(drm_dev->dev, sgt, buf->kvaddr,
buf->dma_addr, buf->size);
if (ret < 0) {
DRM_ERROR("failed to get sgtable.\n");
goto err_free_table;
goto err_free_sgt;
}
return sgt;
err_free_table:
sg_free_table(sgt);
err_free_sgt:
kfree(sgt);
sgt = NULL;