MGS-3565 [#ccc] fix coverity issue 1477294

unmap_attachment to free the sg_table when failed to call _DmabufAttach

Date: Jan 10, 2018
Signed-off-by: Yuchou Gan<yuchou.gan@nxp.com>

1 files changed, 6 insertions, 0 deletions

diff --git a/drivers/mxc/gpu-viv/hal/os/linux/kernel/allocator/default/gc_hal_kernel_allocator_dmabuf.c b/drivers/mxc/gpu-viv/hal/os/linux/kernel/allocator/default/gc_hal_kernel_allocator_dmabuf.c
index 1b60b4dfaa05..9459f7988960 100644
--- a/drivers/mxc/gpu-viv/hal/os/linux/kernel/allocator/default/gc_hal_kernel_allocator_dmabuf.c
+++ b/drivers/mxc/gpu-viv/hal/os/linux/kernel/allocator/default/gc_hal_kernel_allocator_dmabuf.c
@@ -288,6 +288,12 @@ OnError:
     {
         gcmkOS_SAFE_FREE(os, pagearray);
     }
+
+    if(sgt)
+    {
+        dma_buf_unmap_attachment(attachment, sgt, DMA_BIDIRECTIONAL);
+    }
+
     gcmkFOOTER();
     return status;
 }