drm/exynos: check for null in return value of dma_buf_map_attachment()
authorSubash Patel <subash.rp@samsung.com>
Mon, 25 Jun 2012 18:22:57 +0000 (11:22 -0700)
committerInki Dae <inki.dae@samsung.com>
Fri, 27 Jul 2012 02:13:55 +0000 (11:13 +0900)
commit0dd3b72cc66117e5c6dc638f55e4f2e5cc60ed70
treefb7b0cc23b6f2403dcc6a665268c2d8226111e9e
parent56fb5380c76d75d30b0e7acdfd36de34b4ee4375
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>
drivers/gpu/drm/exynos/exynos_drm_dmabuf.c