Reported-by: Laurent Pinchart <laurent.pinch...@ideasonboard.com>
Signed-off-by: Gerd Hoffmann <kra...@redhat.com>
---
drivers/dma-buf/udmabuf.c | 21 ++++++++++-----------
1 file changed, 10 insertions(+), 11 deletions(-)
diff --git a/drivers/dma-buf/udmabuf.c b/drivers/dma-buf/udmabuf.c
index e63d301bcb..19bd918209 100644
--- a/drivers/dma-buf/udmabuf.c
+++ b/drivers/dma-buf/udmabuf.c
@@ -51,25 +51,24 @@ static struct sg_table *map_udmabuf(struct
dma_buf_attachment *at,
{
struct udmabuf *ubuf = at->dmabuf->priv;
struct sg_table *sg;
+ int ret;
sg = kzalloc(sizeof(*sg), GFP_KERNEL);
if (!sg)
- goto err1;
- if (sg_alloc_table_from_pages(sg, ubuf->pages, ubuf->pagecount,
- 0, ubuf->pagecount << PAGE_SHIFT,
- GFP_KERNEL) < 0)
- goto err2;
+ return ERR_PTR(-ENOMEM);
+ ret = sg_alloc_table_from_pages(sg, ubuf->pages, ubuf->pagecount,
+ 0, ubuf->pagecount << PAGE_SHIFT,
+ GFP_KERNEL);
+ if (ret < 0)
+ goto err;
if (!dma_map_sg(at->dev, sg->sgl, sg->nents, direction))
- goto err3;
-
+ goto err;
return sg;
-err3:
+err:
sg_free_table(sg);
-err2:
kfree(sg);
-err1:
- return ERR_PTR(-ENOMEM);
+ return ERR_PTR(ret);
}
static void unmap_udmabuf(struct dma_buf_attachment *at,
--
2.9.3
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