drm/imx: imx-ldb: check return code on panel attach (7075ba79) · Commits · 戴 / test

Check the return code on panel attach. Avoids a kernel crash later on if the attach failed. Signed-off-by:

drivers/gpu/drm/imx/imx-ldb.c

+6 −2

Original line number	Diff line number	Diff line
		@@ -474,8 +474,12 @@ static int imx_ldb_register(struct drm_device *drm,
		drm_connector_init(drm, &imx_ldb_ch->connector,
		&imx_ldb_connector_funcs, DRM_MODE_CONNECTOR_LVDS);

		if (imx_ldb_ch->panel)
		drm_panel_attach(imx_ldb_ch->panel, &imx_ldb_ch->connector);
		if (imx_ldb_ch->panel) {
		ret = drm_panel_attach(imx_ldb_ch->panel,
		&imx_ldb_ch->connector);
		if (ret)
		return ret;
		}

		drm_mode_connector_attach_encoder(&imx_ldb_ch->connector, encoder);