1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/gr_gk20a.c b/drivers/gpu/nvgpu/gk20a/gr_gk20a.c
index 69fe4901..976e9171 100644
--- a/drivers/gpu/nvgpu/gk20a/gr_gk20a.c
+++ b/drivers/gpu/nvgpu/gk20a/gr_gk20a.c
@@ -2830,10 +2830,13 @@ int gk20a_alloc_obj_ctx(struct channel_gk20a  *c,
         } else {
                 if (!tsg->tsg_gr_ctx) {
                         tsg->vm = c->vm;
+                        gk20a_vm_get(tsg->vm);
                         err = gr_gk20a_alloc_tsg_gr_ctx(g, tsg);
                         if (err) {
                                 gk20a_err(dev_from_gk20a(g),
                                         "fail to allocate TSG gr ctx buffer");
+                                gk20a_vm_put(tsg->vm);
+                                tsg->vm = NULL;
                                 goto out;
                         }
                 }