drm/nouveau: cleanup after display init failure
Depending on exact point of failure, not cleaning would lead to
BUG_ONs/oopses in various distant places.
Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
diff --git a/drivers/gpu/drm/nouveau/nouveau_display.c b/drivers/gpu/drm/nouveau/nouveau_display.c
index b670b0d..980b3e1 100644
--- a/drivers/gpu/drm/nouveau/nouveau_display.c
+++ b/drivers/gpu/drm/nouveau/nouveau_display.c
@@ -325,14 +325,21 @@
ret = disp->create(dev);
if (ret)
- return ret;
+ goto disp_create_err;
if (dev->mode_config.num_crtc) {
ret = drm_vblank_init(dev, dev->mode_config.num_crtc);
if (ret)
- return ret;
+ goto vblank_err;
}
+ return 0;
+
+vblank_err:
+ disp->destroy(dev);
+disp_create_err:
+ drm_kms_helper_poll_fini(dev);
+ drm_mode_config_cleanup(dev);
return ret;
}