1 files changed, 4 insertions, 2 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/mm_gk20a.c b/drivers/gpu/nvgpu/gk20a/mm_gk20a.c
index df58feb2..944a5b13 100644
--- a/drivers/gpu/nvgpu/gk20a/mm_gk20a.c
+++ b/drivers/gpu/nvgpu/gk20a/mm_gk20a.c
@@ -4077,8 +4077,10 @@ static void gk20a_vm_remove_support_nofree(struct vm_gk20a *vm)
          * update_gmmu_lock.
          */
         if (!gk20a_platform_has_syncpoints(gk20a_from_vm(vm)->dev)) {
-                gk20a_semaphore_pool_unmap(vm->sema_pool, vm);
-                gk20a_semaphore_pool_put(vm->sema_pool);
+                if (vm->sema_pool) {
+                        gk20a_semaphore_pool_unmap(vm->sema_pool, vm);
+                        gk20a_semaphore_pool_put(vm->sema_pool);
+                }
         }
 
         mutex_lock(&vm->update_gmmu_lock);