From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751377AbdBWIOt (ORCPT ); Thu, 23 Feb 2017 03:14:49 -0500 Received: from mirror2.csie.ntu.edu.tw ([140.112.30.76]:48856 "EHLO wens.csie.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751078AbdBWINo (ORCPT ); Thu, 23 Feb 2017 03:13:44 -0500 From: Chen-Yu Tsai To: Maxime Ripard , David Airlie Cc: Chen-Yu Tsai , dri-devel@lists.freedesktop.org, linux-sunxi@googlegroups.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH 03/11] drm/sun4i: Add end of list element for sun4i_layers_init's returned list Date: Thu, 23 Feb 2017 16:05:35 +0800 Message-Id: <20170223080543.6659-4-wens@csie.org> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20170223080543.6659-1-wens@csie.org> References: <20170223080543.6659-1-wens@csie.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 --- drivers/gpu/drm/sun4i/sun4i_layer.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/sun4i/sun4i_layer.c b/drivers/gpu/drm/sun4i/sun4i_layer.c index 41bc0f860f5c..0b703fb02656 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); -- 2.11.0