Commit 53bd5556 authored by Sachin Kamat's avatar Sachin Kamat Committed by Inki Dae
Browse files

drm/exynos: Fix potential NULL pointer dereference



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: default avatarSachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: default avatarInki Dae <inki.dae@samsung.com>
Signed-off-by: default avatarKyungmin Park <kyungmin.park@samsung.com>
parent 291257cf
......@@ -150,8 +150,12 @@ 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);
......
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