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 --- drivers/gpu/drm/exynos/exynos_drm_dmabuf.c | 8 +------- 1 files changed, 1 insertions(+), 7 deletions(-)
diff --git a/drivers/gpu/drm/exynos/exynos_drm_dmabuf.c b/drivers/gpu/drm/exynos/exynos_drm_dmabuf.c index b98da30..d9307bd 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_dmabuf.c +++ b/drivers/gpu/drm/exynos/exynos_drm_dmabuf.c @@ -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;