From: Jani Nikula <jani.nikula@xxxxxxxxx> commit 38e3825631b1f314b21e3ade00b5a4d737eb054e upstream. The duplicated EDID is never freed. Fix it. Cc: stable@xxxxxxxxxxxxxxx Signed-off-by: Jani Nikula <jani.nikula@xxxxxxxxx> Signed-off-by: Inki Dae <inki.dae@xxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/gpu/drm/exynos/exynos_drm_vidi.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) --- a/drivers/gpu/drm/exynos/exynos_drm_vidi.c +++ b/drivers/gpu/drm/exynos/exynos_drm_vidi.c @@ -302,6 +302,7 @@ static int vidi_get_modes(struct drm_con struct vidi_context *ctx = ctx_from_connector(connector); struct edid *edid; int edid_len; + int count; /* * the edid data comes from user side and it would be set @@ -321,7 +322,11 @@ static int vidi_get_modes(struct drm_con drm_connector_update_edid_property(connector, edid); - return drm_add_edid_modes(connector, edid); + count = drm_add_edid_modes(connector, edid); + + kfree(edid); + + return count; } static const struct drm_connector_helper_funcs vidi_connector_helper_funcs = { Patches currently in stable-queue which might be from jani.nikula@xxxxxxxxx are queue-4.19/drm-exynos-vidi-fix-memory-leak-in-.get_modes.patch