diff mbox

drm/exynos: free sg object if dma_map_sg is failed

Message ID 1357881137-14912-1-git-send-email-inki.dae@samsung.com (mailing list archive)
State New, archived
Headers show

Commit Message

Inki Dae Jan. 11, 2013, 5:12 a.m. UTC 
This patch releases sgt's sg object allocated by sgt_alloc_table
correctly.

When exynos_gem_map_dma_buf was called by dma_buf_map_attachmemt(),
the sgt's sg object was allocated by sg_alloc_tale() so
if dma_map_sg() is failed, the sg object should be released.

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 |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
diff mbox

Patch

diff --git a/drivers/gpu/drm/exynos/exynos_drm_dmabuf.c b/drivers/gpu/drm/exynos/exynos_drm_dmabuf.c
index 9df9771..693d4bc 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_dmabuf.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_dmabuf.c
@@ -110,6 +110,7 @@  static struct sg_table *
 	nents = dma_map_sg(attach->dev, sgt->sgl, sgt->orig_nents, dir);
 	if (!nents) {
 		DRM_ERROR("failed to map sgl with iommu.\n");
+		sg_free_table(sgt);
 		sgt = ERR_PTR(-EIO);
 		goto err_unlock;
 	}