drm_mode_create() returns NULL if it fails to create
a new display mode. Check the value returned to avoid NULL
pointer deferencing later.
Signed-off-by: Sachin Kamat <sachin.kamat@xxxxxxxxxx>
---
drivers/gpu/drm/exynos/exynos_drm_connector.c | 6 +++++-
1 files changed, 5 insertions(+), 1 deletions(-)
diff --git a/drivers/gpu/drm/exynos/exynos_drm_connector.c b/drivers/gpu/drm/exynos/exynos_drm_connector.c
index 9dce3b9..485e984 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_connector.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_connector.c
@@ -149,8 +149,12 @@ static int exynos_drm_connector_get_modes(struct drm_connector *connector)
count = drm_add_edid_modes(connector, edid);
kfree(edid);
} else {
- struct drm_display_mode *mode = drm_mode_create(connector->dev);
struct exynos_drm_panel_info *panel;
+ struct drm_display_mode *mode = drm_mode_create(connector->dev);
+ if (!mode) {
+ DRM_ERROR("failed to create a new display mode.\n");
+ return 0;
+ }
if (display_ops->get_panel)
panel = display_ops->get_panel(manager->dev);
--
1.7.4.1
_______________________________________________
dri-devel mailing list
dri-devel@xxxxxxxxxxxxxxxxxxxxx
http://lists.freedesktop.org/mailman/listinfo/dri-devel
