From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932768AbbIUNtj (ORCPT ); Mon, 21 Sep 2015 09:49:39 -0400 Received: from mailout4.w1.samsung.com ([210.118.77.14]:40457 "EHLO mailout4.w1.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932292AbbIUNgT (ORCPT ); Mon, 21 Sep 2015 09:36:19 -0400 X-AuditID: cbfec7f4-f79c56d0000012ee-cf-560007d0f6ff From: Andrzej Hajda To: linux-kernel@vger.kernel.org Cc: Andrzej Hajda , Bartlomiej Zolnierkiewicz , Marek Szyprowski , Hans Verkuil , Boris BREZILLON , Philipp Zabel Subject: [PATCH 16/38] gpu: ipu-v3: fix div_ratio type Date: Mon, 21 Sep 2015 15:33:48 +0200 Message-id: <1442842450-29769-17-git-send-email-a.hajda@samsung.com> X-Mailer: git-send-email 1.9.1 In-reply-to: <1442842450-29769-1-git-send-email-a.hajda@samsung.com> References: <1442842450-29769-1-git-send-email-a.hajda@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFprILMWRmVeSWpSXmKPExsVy+t/xq7oX2BnCDGY2qlncWneO1WLjjPWs FgdeLGSxWPJzF5PF5V1z2CzWHrnLbnH33gkWB3aPKb83sno82XSR0aP/r4FH35ZVjB6fN8kF sEZx2aSk5mSWpRbp2yVwZbz8ZlbQzFZxqO0WawNjC2sXIyeHhICJxJrvTYwQtpjEhXvr2boY uTiEBJYySvxed44ZJCEk0MQk8eaCAIjNJqAp8XfzTTYQW0RAQWJz7zNWkAZmgZlMEi3bzjCB JIQFzCTap5wBaubgYBFQlVi+2RgkzCvgIvHrx0sWiGVyEiePTQY7ghMofuDgFxaIXc4SB5Yc YZrAyLuAkWEVo2hqaXJBcVJ6rqFecWJucWleul5yfu4mRkhAfdnBuPiY1SFGAQ5GJR5eB4H/ oUKsiWXFlbmHGCU4mJVEeHVmAYV4UxIrq1KL8uOLSnNSiw8xSnOwKInzzt31PkRIID2xJDU7 NbUgtQgmy8TBKdXAGDpZ9bFE2NdfO2e6R3xYlun6lZVj5Yz1nLNEDSsnF67QyhMWDqnoMHK2 WRQ279T7dyFX3zyNXOv+4SVzDNOG3oWLdOVr4jjXWmcz675cwMB6qpLFYZr7X+XkqclqH3vv 94YlbhOetSQ6onl7lFiq2pl7TF8iXP8XX2OJ2Xbo/FvJN2qnYtffVmIpzkg01GIuKk4EAJDu wIwkAgAA Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The variable can be negative. The problem has been detected using proposed semantic patch scripts/coccinelle/tests/unsigned_lesser_than_zero.cocci [1]. [1]: http://permalink.gmane.org/gmane.linux.kernel/2038576 Signed-off-by: Andrzej Hajda --- drivers/gpu/ipu-v3/ipu-csi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/ipu-v3/ipu-csi.c b/drivers/gpu/ipu-v3/ipu-csi.c index 752cdd2..b6c3a82 100644 --- a/drivers/gpu/ipu-v3/ipu-csi.c +++ b/drivers/gpu/ipu-v3/ipu-csi.c @@ -202,7 +202,7 @@ static int ipu_csi_set_testgen_mclk(struct ipu_csi *csi, u32 pixel_clk, u32 ipu_clk) { u32 temp; - u32 div_ratio; + int div_ratio; div_ratio = (ipu_clk / pixel_clk) - 1; -- 1.9.1