1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/channel_gk20a.c b/drivers/gpu/nvgpu/gk20a/channel_gk20a.c
index 444a1c2f..5691a7cd 100644
--- a/drivers/gpu/nvgpu/gk20a/channel_gk20a.c
+++ b/drivers/gpu/nvgpu/gk20a/channel_gk20a.c
@@ -1331,7 +1331,8 @@ void gk20a_channel_update(struct channel_gk20a *c, int nr_completed)
                 if (!completed)
                         break;
 
-                c->sync->signal_timeline(c->sync);
+                if (c->sync)
+                        c->sync->signal_timeline(c->sync);
 
                 gk20a_vm_put_buffers(vm, job->mapped_buffers,
                                 job->num_mapped_buffers);