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-rw-r--r--drivers/gpu/drm/drm_prime.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/gpu/drm/drm_prime.c b/drivers/gpu/drm/drm_prime.c
index e57c675db840..0daf2122a91d 100644
--- a/drivers/gpu/drm/drm_prime.c
+++ b/drivers/gpu/drm/drm_prime.c
@@ -97,8 +97,13 @@ static struct sg_table *drm_gem_map_dma_buf(struct dma_buf_attachment *attach,
sgt = obj->dev->driver->gem_prime_get_sg_table(obj);
- if (!IS_ERR_OR_NULL(sgt))
- dma_map_sg(attach->dev, sgt->sgl, sgt->nents, dir);
+ if (!IS_ERR_OR_NULL(sgt)) {
+ if (!dma_map_sg(attach->dev, sgt->sgl, sgt->nents, dir)) {
+ sg_free_table(sgt);
+ kfree(sgt);
+ sgt = ERR_PTR(-ENOMEM);
+ }
+ }
mutex_unlock(&obj->dev->struct_mutex);
return sgt;