drm/exynos/hdmi: fix edid memory leak

edid returned by drm_get_edid should be freed.
The patch fixes it.

Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Reviewed-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>

diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c b/drivers/gpu/drm/exynos/exynos_hdmi.c
index 99e2864..4a00990 100644 (file)
--- a/drivers/gpu/drm/exynos/exynos_hdmi.c
+++ b/drivers/gpu/drm/exynos/exynos_hdmi.c
@@ -1064,6 +1064,7 @@ static int hdmi_get_modes(struct drm_connector *connector)
 {
        struct hdmi_context *hdata = ctx_from_connector(connector);
        struct edid *edid;
+       int ret;
 
        if (!hdata->ddc_adpt)
                return -ENODEV;
@@ -1079,7 +1080,11 @@ static int hdmi_get_modes(struct drm_connector *connector)
 
        drm_mode_connector_update_edid_property(connector, edid);
 
-       return drm_add_edid_modes(connector, edid);
+       ret = drm_add_edid_modes(connector, edid);
+
+       kfree(edid);
+
+       return ret;
 }
 
 static int hdmi_find_phy_conf(struct hdmi_context *hdata, u32 pixel_clock)