1 files changed, 3 insertions, 1 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/dbg_gpu_gk20a.c b/drivers/gpu/nvgpu/gk20a/dbg_gpu_gk20a.c
index da7d733e..bc5dc4c1 100644
--- a/drivers/gpu/nvgpu/gk20a/dbg_gpu_gk20a.c
+++ b/drivers/gpu/nvgpu/gk20a/dbg_gpu_gk20a.c
@@ -555,7 +555,9 @@ static int dbg_set_powergate(struct dbg_session_gk20a *dbg_s,
 
                         gk20a_dbg(gpu_dbg_gpu_dbg | gpu_dbg_fn, "module busy");
                         gk20a_busy(g->dev);
-                        gk20a_channel_busy(dbg_s->pdev);
+                        err = gk20a_channel_busy(dbg_s->pdev);
+                        if (err)
+                                return -EPERM;
 
                         g->ops.clock_gating.slcg_gr_load_gating_prod(g,
                                         false);