[PATCH] drm/nouveau/fifo: fix simple_return.cocci warnings

[kbuild test robot]

drivers/gpu/drm/nouveau/nvkm/engine/fifo/gf100.c:340:1-4: WARNING: end returns 
can be simpified

 Simplify a trivial if-return sequence.  Possibly combine with a
 preceding function call.

Generated by: scripts/coccinelle/misc/simple_return.cocci

Signed-off-by: Fengguang Wu <fengguang.wu at intel.com>
---

 gf100.c |    6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gf100.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gf100.c
@@ -337,11 +337,7 @@ gf100_fifo_context_ctor(struct nvkm_obje
        nv_wo32(base, 0x0208, 0xffffffff);
        nv_wo32(base, 0x020c, 0x000000ff);

-       ret = nvkm_vm_ref(nvkm_client(parent)->vm, &base->vm, base->pgd);
-       if (ret)
-               return ret;
-
-       return 0;
+       return nvkm_vm_ref(nvkm_client(parent)->vm, &base->vm, base->pgd);
 }

 static void