summaryrefslogtreecommitdiff
path: root/drivers/media/v4l2-core
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/media/v4l2-core')
-rw-r--r--drivers/media/v4l2-core/videobuf2-vmalloc.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/media/v4l2-core/videobuf2-vmalloc.c b/drivers/media/v4l2-core/videobuf2-vmalloc.c
index 0ba40be21ebd..f6656fefc035 100644
--- a/drivers/media/v4l2-core/videobuf2-vmalloc.c
+++ b/drivers/media/v4l2-core/videobuf2-vmalloc.c
@@ -291,7 +291,6 @@ static struct sg_table *vb2_vmalloc_dmabuf_ops_map(
/* stealing dmabuf mutex to serialize map/unmap operations */
struct mutex *lock = &db_attach->dmabuf->lock;
struct sg_table *sgt;
- int ret;
mutex_lock(lock);
@@ -310,8 +309,9 @@ static struct sg_table *vb2_vmalloc_dmabuf_ops_map(
}
/* mapping to the client with new direction */
- ret = dma_map_sg(db_attach->dev, sgt->sgl, sgt->orig_nents, dma_dir);
- if (ret <= 0) {
+ sgt->nents = dma_map_sg(db_attach->dev, sgt->sgl, sgt->orig_nents,
+ dma_dir);
+ if (!sgt->nents) {
pr_err("failed to map scatterlist\n");
mutex_unlock(lock);
return ERR_PTR(-EIO);