diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/pm/base.c b/drivers/gpu/drm/nouveau/nvkm/engine/pm/base.c
index 274457ca3fef798d62b955d02a70cbd91e287cb0..4cf36a3aa81460c2c062b6cc41e70571530c1eb8 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/pm/base.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/pm/base.c
@@ -358,12 +358,11 @@ nvkm_perfctx_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
 	mutex_lock(&nv_subdev(ppm)->mutex);
 	if (ppm->context == NULL)
 		ppm->context = ctx;
-	mutex_unlock(&nv_subdev(ppm)->mutex);
-
 	if (ctx != ppm->context)
-		return -EBUSY;
+		ret = -EBUSY;
+	mutex_unlock(&nv_subdev(ppm)->mutex);
 
-	return 0;
+	return ret;
 }
 
 struct nvkm_oclass