drm/nouveau/ibus: use nvkm_subdev_new_()

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drivers/gpu/drm/nouveau/nvkm/subdev/ibus/gf100.c

@@ -114,9 +114,5 @@ int
 gf100_ibus_new(struct nvkm_device *device, int index,
 	       struct nvkm_subdev **pibus)
 {
-	struct nvkm_subdev *ibus;
-	if (!(ibus = *pibus = kzalloc(sizeof(*ibus), GFP_KERNEL)))
-		return -ENOMEM;
-	nvkm_subdev_ctor(&gf100_ibus, device, index, ibus);
-	return 0;
+	return nvkm_subdev_new_(&gf100_ibus, device, index, pibus);
 }

drivers/gpu/drm/nouveau/nvkm/subdev/ibus/gf117.c

@@ -43,9 +43,5 @@ int
 gf117_ibus_new(struct nvkm_device *device, int index,
 	       struct nvkm_subdev **pibus)
 {
-	struct nvkm_subdev *ibus;
-	if (!(ibus = *pibus = kzalloc(sizeof(*ibus), GFP_KERNEL)))
-		return -ENOMEM;
-	nvkm_subdev_ctor(&gf117_ibus, device, index, ibus);
-	return 0;
+	return nvkm_subdev_new_(&gf117_ibus, device, index, pibus);
 }

drivers/gpu/drm/nouveau/nvkm/subdev/ibus/gk104.c

@@ -117,9 +117,5 @@ int
 gk104_ibus_new(struct nvkm_device *device, int index,
 	       struct nvkm_subdev **pibus)
 {
-	struct nvkm_subdev *ibus;
-	if (!(ibus = *pibus = kzalloc(sizeof(*ibus), GFP_KERNEL)))
-		return -ENOMEM;
-	nvkm_subdev_ctor(&gk104_ibus, device, index, ibus);
-	return 0;
+	return nvkm_subdev_new_(&gk104_ibus, device, index, pibus);
 }

drivers/gpu/drm/nouveau/nvkm/subdev/ibus/gk20a.c

@@ -81,9 +81,5 @@ int
 gk20a_ibus_new(struct nvkm_device *device, int index,
 	       struct nvkm_subdev **pibus)
 {
-	struct nvkm_subdev *ibus;
-	if (!(ibus = *pibus = kzalloc(sizeof(*ibus), GFP_KERNEL)))
-		return -ENOMEM;
-	nvkm_subdev_ctor(&gk20a_ibus, device, index, ibus);
-	return 0;
+	return nvkm_subdev_new_(&gk20a_ibus, device, index, pibus);
 }

drivers/gpu/drm/nouveau/nvkm/subdev/ibus/gm200.c

@@ -32,9 +32,5 @@ int
 gm200_ibus_new(struct nvkm_device *device, int index,
 	       struct nvkm_subdev **pibus)
 {
-	struct nvkm_subdev *ibus;
-	if (!(ibus = *pibus = kzalloc(sizeof(*ibus), GFP_KERNEL)))
-		return -ENOMEM;
-	nvkm_subdev_ctor(&gm200_ibus, device, index, ibus);
-	return 0;
+	return nvkm_subdev_new_(&gm200_ibus, device, index, pibus);
 }

drivers/gpu/drm/nouveau/nvkm/subdev/ibus/gp10b.c

@@ -51,9 +51,5 @@ int
 gp10b_ibus_new(struct nvkm_device *device, int index,
 	       struct nvkm_subdev **pibus)
 {
-	struct nvkm_subdev *ibus;
-	if (!(ibus = *pibus = kzalloc(sizeof(*ibus), GFP_KERNEL)))
-		return -ENOMEM;
-	nvkm_subdev_ctor(&gp10b_ibus, device, index, ibus);
-	return 0;
+	return nvkm_subdev_new_(&gp10b_ibus, device, index, pibus);
 }