From: Chen-Yu Tsai Date: Thu, 23 Feb 2017 08:05:35 +0000 (+0800) Subject: drm/sun4i: Add end of list element for sun4i_layers_init's returned list X-Git-Tag: v4.14-rc1~674^2~8^2~16 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=2b2c22bf1c7017d8b4ac088c33b58fae4786d569;p=platform%2Fkernel%2Flinux-rpi.git drm/sun4i: Add end of list element for sun4i_layers_init's returned list The number of defined planes in sun4i_layer is unknown to other parts of the sun4i drm driver. Since the return value of sun4i_layers_init is a list of layers, make it return 1 more empty layer as an end of list guard value. Signed-off-by: Chen-Yu Tsai Signed-off-by: Maxime Ripard --- diff --git a/drivers/gpu/drm/sun4i/sun4i_layer.c b/drivers/gpu/drm/sun4i/sun4i_layer.c index 41bc0f8..0b703fb 100644 --- a/drivers/gpu/drm/sun4i/sun4i_layer.c +++ b/drivers/gpu/drm/sun4i/sun4i_layer.c @@ -139,7 +139,7 @@ struct sun4i_layer **sun4i_layers_init(struct drm_device *drm) struct sun4i_layer **layers; int i; - layers = devm_kcalloc(drm->dev, ARRAY_SIZE(sun4i_backend_planes), + layers = devm_kcalloc(drm->dev, ARRAY_SIZE(sun4i_backend_planes) + 1, sizeof(*layers), GFP_KERNEL); if (!layers) return ERR_PTR(-ENOMEM);