From: Subash Patel <subash...@samsung.com>
dma_buf_map_attachment() can return NULL and valid sg as return
value. Hence the check for the returned scatter-gather must be using
the inline function IS_ERR_OR_NULL() in place of IS_ERR()
Change-Id: I33218480e220f6a26a1e726b336bf533a95363de
Signed-off-by: Subash Patel <subash.ramasw...@linaro.org>
CC: dri-devel@lists.freedesktop.org
CC: linux-samsung-...@vger.kernel.org
CC: linaro-mm-...@lists.linaro.org
CC: inki....@samsung.com
CC: airl...@redhat.com
CC: ol...@chromium.org
---
drivers/gpu/drm/exynos/exynos_drm_dmabuf.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/exynos/exynos_drm_dmabuf.c
b/drivers/gpu/drm/exynos/exynos_drm_dmabuf.c
index 52cf761..c908a29 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_dmabuf.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_dmabuf.c
@@ -245,7 +245,7 @@ struct drm_gem_object *exynos_dmabuf_prime_import(struct
drm_device *drm_dev,
sgt = dma_buf_map_attachment(attach, DMA_BIDIRECTIONAL);
- if (IS_ERR(sgt)) {
+ if (IS_ERR_OR_NULL(sgt)) {
ret = PTR_ERR(sgt);
goto err_buf_detach;
}
--
1.7.9.5
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