From 76ecd9c9fb24b014a6f33fbb1287ede3be12158b Mon Sep 17 00:00:00 2001 From: =?utf8?q?Lothar=20Wa=C3=9Fmann?= Date: Tue, 12 Jul 2016 15:30:01 +0200 Subject: [PATCH] drm/imx: parallel-display: check return code from of_get_drm_display_mode() MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit of_get_drm_display_mode() may fail. Check its return code and bail out on error. Signed-off-by: Lothar Waßmann Signed-off-by: Philipp Zabel --- 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 7b7bb3100831..4abac21c5c9b 100644 --- a/drivers/gpu/drm/imx/parallel-display.c +++ b/drivers/gpu/drm/imx/parallel-display.c @@ -73,10 +73,16 @@ 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); -- 2.39.5