gpu: nvgpu: remove logically dead code

In gk20a_cde_convert, we already unmap surface
and then again try to unmap if it is mapped

Remove this logically dead code

Coverity id : 2477002
Bug 200291879

Change-Id: I66dbf43d0475403be27d5acee826d8037e71d4d8
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: http://git-master/r/1455974
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: svccoveritychecker <svccoveritychecker@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Alex Waterman <alexw@nvidia.com>

1 files changed, 0 insertions, 2 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/cde_gk20a.c b/drivers/gpu/nvgpu/gk20a/cde_gk20a.c
index 7c251e2d..16baaa39 100644
--- a/drivers/gpu/nvgpu/gk20a/cde_gk20a.c
+++ b/drivers/gpu/nvgpu/gk20a/cde_gk20a.c
@@ -1122,8 +1122,6 @@ __releases(&cde_app->mutex)
         cde_ctx->init_cmd_executed = true;
 
         /* unmap the buffers - channel holds references to them now */
-        if (surface)
-                dma_buf_vunmap(compbits_scatter_buf, surface);
         gk20a_vm_unmap(cde_ctx->vm, map_vaddr);
 
         return err;