[Nouveau] [PATCH 1/4] drm/nouveau/bar/nv50: check bar1 vmm return value

[Jon Derrick]

Check bar1's new vmm creation return value for errors.

Signed-off-by: Jon Derrick <jonathan.derrick at intel.com>
---
 drivers/gpu/drm/nouveau/nvkm/subdev/bar/nv50.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bar/nv50.c b/drivers/gpu/drm/nouveau/nvkm/subdev/bar/nv50.c
index 157b076a1272..8e64b19f3f8a 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/bar/nv50.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bar/nv50.c
@@ -168,6 +168,8 @@ nv50_bar_oneinit(struct nvkm_bar *base)
 
 	ret = nvkm_vmm_new(device, start, limit-- - start, NULL, 0,
 			   &bar1_lock, "bar1", &bar->bar1_vmm);
+	if (ret)
+		return ret;
 
 	atomic_inc(&bar->bar1_vmm->engref[NVKM_SUBDEV_BAR]);
 	bar->bar1_vmm->debug = bar->base.subdev.debug;
-- 
2.14.4