staging: omapdrm/omap_gem_dmabuf.c: fix memory leakage

There is a memory leakage in variable sg if it goes to error.

Signed-off-by Cong Ding <[email protected]>

---
  drivers/staging/omapdrm/omap_gem_dmabuf.c |    6 +++---
  1 file changed, 3 insertions(+), 3 deletions(-)

drivers/staging/omapdrm/omap_gem_dmabuf.c +3 -3

index b6c5b5c..a3236ab 100644
@@ -53,10 +53,10 @@ static struct sg_table *omap_gem_map_dma_buf(
  	/* this should be after _get_paddr() to ensure we have pages attached */
  	omap_gem_dma_sync(obj, dir);
 
-out:
-	if (ret)
-		return ERR_PTR(ret);
  	return sg;
+out:
+	kfree(sg);
+	return ERR_PTR(ret);
  }
 
  static void omap_gem_unmap_dma_buf(struct dma_buf_attachment *attachment,