diff options
Diffstat (limited to 'nvkm/engine/device/base.c')
| -rw-r--r-- | nvkm/engine/device/base.c | 22 |
1 files changed, 9 insertions, 13 deletions
diff --git a/nvkm/engine/device/base.c b/nvkm/engine/device/base.c index e2da1d402..7c0cbcde7 100644 --- a/nvkm/engine/device/base.c +++ b/nvkm/engine/device/base.c @@ -511,22 +511,18 @@ nouveau_devobj_ofuncs = { struct nouveau_device * nv_device(void *obj) { - struct nouveau_object *object = nv_object(obj); - struct nouveau_object *device = object; - - if (device->engine) - device = device->engine; - if (device->parent) + struct nouveau_object *device = nv_object(obj); + while (device && device->parent) device = device->parent; - -#if CONFIG_NOUVEAU_DEBUG >= NV_DBG_PARANOIA - if (unlikely(!nv_iclass(device, NV_SUBDEV_CLASS) || - (nv_hclass(device) & 0xff) != NVDEV_ENGINE_DEVICE)) { - nv_assert("BAD CAST -> NvDevice, 0x%08x 0x%08x", - nv_hclass(object), nv_hclass(device)); + if (!nv_iclass(device, NV_ENGINE_CLASS)) { + device = nv_object(obj)->engine; + if (device && device->parent) + device = device->parent; } +#if CONFIG_NOUVEAU_DEBUG >= NV_DBG_PARANOIA + if (unlikely(!device)) + nv_assert("BAD CAST -> NvDevice, 0x%08x\n", nv_hclass(obj)); #endif - return (void *)device; } |