From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752832AbcD2Hor (ORCPT ); Fri, 29 Apr 2016 03:44:47 -0400 Received: from regular1.263xmail.com ([211.150.99.131]:60519 "EHLO regular1.263xmail.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751020AbcD2Hoq (ORCPT ); Fri, 29 Apr 2016 03:44:46 -0400 X-263anti-spam: KSV:0; X-MAIL-GRAY: 0 X-MAIL-DELIVERY: 1 X-ABS-CHECKED: 4 X-ADDR-CHECKED: 0 X-KSVirus-check: 0 X-RL-SENDER: mark.yao@rock-chips.com X-FST-TO: airlied@linux.ie X-SENDER-IP: 58.22.7.114 X-LOGIN-NAME: mark.yao@rock-chips.com X-UNIQUE-TAG: <3c00d9a30ea65e23eb2a74f51c43004d> X-ATTACHMENT-NUM: 0 X-DNS-TYPE: 0 From: Mark Yao To: David Airlie , Heiko Stuebner , dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org Cc: Mark Yao Subject: [PATCH] drm/rockchip: vop: Initialize vskiplines to zero Date: Fri, 29 Apr 2016 15:42:17 +0800 Message-Id: <1461915737-23156-1-git-send-email-mark.yao@rock-chips.com> X-Mailer: git-send-email 1.9.1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org There is a path that use vskiplines with non-initialize. That would cause vop abnormal behavior. Signed-off-by: Mark Yao --- drivers/gpu/drm/rockchip/rockchip_drm_vop.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c index 8652bb1..bf55cda 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c +++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c @@ -310,7 +310,7 @@ static void scl_vop_cal_scl_fac(struct vop *vop, const struct vop_win_data *win, uint16_t vsu_mode; uint16_t lb_mode; uint32_t val; - int vskiplines; + int vskiplines = 0; if (dst_w > 3840) { DRM_ERROR("Maximum destination width (3840) exceeded\n"); -- 1.9.1