drm/bridge: tfp410: fix memleak in get_modes()

[ Upstream commit c08f99c39083ab55a9c93b3e93cef48711294dad ]

We don't free the edid blob allocated by the call to drm_get_edid(),
causing a memleak. Fix this by calling kfree(edid) at the end of the
get_modes().

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190610135739.6077-1-tomi.valkeinen@ti.com
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/gpu/drm/bridge/ti-tfp410.c b/drivers/gpu/drm/bridge/ti-tfp410.c
index acb857030951a0eff0682fce7b5d38d80ba6edb1..1bb01905be8e3f6f709b83d2384cb2dd5b8da156 100644 (file)
--- a/drivers/gpu/drm/bridge/ti-tfp410.c
+++ b/drivers/gpu/drm/bridge/ti-tfp410.c
@@ -64,7 +64,12 @@ static int tfp410_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;
+
 fallback:
        /* No EDID, fallback on the XGA standard modes */
        ret = drm_add_modes_noedid(connector, 1920, 1200);