drm/exynos: dp: Fix NULL pointer dereference due uninitialized connector

[cascardo/linux.git] / drivers / gpu / drm / exynos / exynos_dp.c

diff --git a/drivers/gpu/drm/exynos/exynos_dp.c b/drivers/gpu/drm/exynos/exynos_dp.c
index 468498e..4c1fb3f 100644 (file)
--- a/drivers/gpu/drm/exynos/exynos_dp.c
+++ b/drivers/gpu/drm/exynos/exynos_dp.c
@@ -34,7 +34,7 @@
 
 struct exynos_dp_device {
        struct drm_encoder         encoder;
-       struct drm_connector       connector;
+       struct drm_connector       *connector;
        struct drm_bridge          *ptn_bridge;
        struct drm_device          *drm_dev;
        struct device              *dev;
@@ -70,7 +70,7 @@ static int exynos_dp_poweroff(struct analogix_dp_plat_data *plat_data)
 static int exynos_dp_get_modes(struct analogix_dp_plat_data *plat_data)
 {
        struct exynos_dp_device *dp = to_dp(plat_data);
-       struct drm_connector *connector = &dp->connector;
+       struct drm_connector *connector = dp->connector;
        struct drm_display_mode *mode;
        int num_modes = 0;
 
@@ -103,6 +103,7 @@ static int exynos_dp_bridge_attach(struct analogix_dp_plat_data *plat_data,
        int ret;
 
        drm_connector_register(connector);
+       dp->connector = connector;
 
        /* Pre-empt DP connector creation if there's a bridge */
        if (dp->ptn_bridge) {