Check the return code on panel attach. Avoids a kernel crash later
on if the attach failed.
Signed-off-by: Lucas Stach <l.stach@xxxxxxxxxxxxxx>
---
drivers/gpu/drm/imx/imx-ldb.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/imx/imx-ldb.c b/drivers/gpu/drm/imx/imx-ldb.c
index beff793bb717..48166df14042 100644
--- a/drivers/gpu/drm/imx/imx-ldb.c
+++ b/drivers/gpu/drm/imx/imx-ldb.c
@@ -427,8 +427,12 @@ 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,
&imx_ldb_ch->encoder);
--
2.8.1
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