linux-kernel - [PATCH] drm/tegra: gem: Remove some dead code

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Date:   Sun, 30 Oct 2016 16:50:29 +0100
From:   Christophe JAILLET <christophe.jaillet@...adoo.fr>
To:     thierry.reding@...il.com, airlied@...ux.ie, swarren@...dotorg.org,
        gnurou@...il.com
Cc:     dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
        kernel-janitors@...r.kernel.org,
        Christophe JAILLET <christophe.jaillet@...adoo.fr>
Subject: [PATCH] drm/tegra: gem: Remove some dead code

'dma_buf_map_attachment()' can not return NULL, so there is no need to
check for it.

Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>
---
 drivers/gpu/drm/tegra/gem.c | 5 -----
 1 file changed, 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;
-- 
2.9.3