of_get_drm_display_mode() may fail. Check its return code and bail out on error.
Signed-off-by: Lothar Waßmann LW@KARO-electronics.de --- drivers/gpu/drm/imx/parallel-display.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/imx/parallel-display.c b/drivers/gpu/drm/imx/parallel-display.c index 2d1fd02..4b2ec5d 100644 --- a/drivers/gpu/drm/imx/parallel-display.c +++ b/drivers/gpu/drm/imx/parallel-display.c @@ -69,10 +69,16 @@ static int imx_pd_connector_get_modes(struct drm_connector *connector)
if (np) { struct drm_display_mode *mode = drm_mode_create(connector->dev); + int ret;
if (!mode) return -EINVAL; - of_get_drm_display_mode(np, &imxpd->mode, OF_USE_NATIVE_MODE); + + ret = of_get_drm_display_mode(np, &imxpd->mode, + OF_USE_NATIVE_MODE); + if (ret) + return ret; + drm_mode_copy(mode, &imxpd->mode); mode->type |= DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED, drm_mode_probed_add(connector, mode);