Commit 0dd3b72c authored Jun 25, 2012 by Subash Patel Committed by Inki Dae Jul 27, 2012

drm/exynos: check for null in return value of dma_buf_map_attachment()



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()

Signed-off-by: Subash Patel <subash.ramaswamy@linaro.org>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>

parent 56fb5380

drivers/gpu/drm/exynos/exynos_drm_dmabuf.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -214,7 +214,7 @@ 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;
		}