From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755344AbdBQDNj (ORCPT ); Thu, 16 Feb 2017 22:13:39 -0500 Received: from mirror2.csie.ntu.edu.tw ([140.112.30.76]:48058 "EHLO wens.csie.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754540AbdBQDNf (ORCPT ); Thu, 16 Feb 2017 22:13:35 -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 4/7] drm/sun4i: Fix kcalloc element size in sun4i_layers_init Date: Fri, 17 Feb 2017 11:13:27 +0800 Message-Id: <20170217031330.14087-5-wens@csie.org> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20170217031330.14087-1-wens@csie.org> References: <20170217031330.14087-1-wens@csie.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org In sun4i_layers_init we are allocating an array of pointers to struct sun4i_layer: layers = devm_kcalloc(drm->dev, ARRAY_SIZE(sun4i_backend_planes), sizeof(**layers), GFP_KERNEL); The element size should be the size of an individual element of the array. Change it to sizeof(*layers) to avoid wasting a lot of memory. 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 5d53c977bca5..62552a356d66 100644 --- a/drivers/gpu/drm/sun4i/sun4i_layer.c +++ b/drivers/gpu/drm/sun4i/sun4i_layer.c @@ -140,7 +140,7 @@ struct sun4i_layer **sun4i_layers_init(struct drm_device *drm) int i; layers = devm_kcalloc(drm->dev, ARRAY_SIZE(sun4i_backend_planes), - sizeof(**layers), GFP_KERNEL); + sizeof(*layers), GFP_KERNEL); if (!layers) return ERR_PTR(-ENOMEM); -- 2.11.0