drm/tegra: gem: Remove some dead code

dma_buf_map_attachment() never returns NULL, so there is no need to
check for it.

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Thierry Reding <treding@nvidia.com>

1 files changed, 0 insertions, 5 deletions

diff --git a/drivers/gpu/drm/tegra/gem.c b/drivers/gpu/drm/tegra/gem.c
index 95e622e31931..19bf9cdf1f11 100644
--- a/drivers/gpu/drm/tegra/gem.c
+++ b/drivers/gpu/drm/tegra/gem.c
@@ -318,11 +318,6 @@ static struct tegra_bo *tegra_bo_import(struct drm_device *drm,
         get_dma_buf(buf);
 
         bo->sgt = dma_buf_map_attachment(attach, DMA_TO_DEVICE);
-        if (!bo->sgt) {
-                err = -ENOMEM;
-                goto detach;
-        }
-
         if (IS_ERR(bo->sgt)) {
                 err = PTR_ERR(bo->sgt);
                 goto detach;