From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932091Ab2IFP1K (ORCPT ); Thu, 6 Sep 2012 11:27:10 -0400 Received: from mail-wi0-f178.google.com ([209.85.212.178]:62287 "EHLO mail-wi0-f178.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752895Ab2IFPYP (ORCPT ); Thu, 6 Sep 2012 11:24:15 -0400 From: Peter Senna Tschudin To: Mauro Carvalho Chehab Cc: kernel-janitors@vger.kernel.org, Julia.Lawall@lip6.fr, linux-media@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 9/14] drivers/media/radio/radio-cadet.c: fix error return code Date: Thu, 6 Sep 2012 17:23:52 +0200 Message-Id: <1346945041-26676-5-git-send-email-peter.senna@gmail.com> X-Mailer: git-send-email 1.7.11.4 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Peter Senna Tschudin Convert a nonnegative error return code to a negative one, as returned elsewhere in the function. A simplified version of the semantic match that finds this problem is as follows: (http://coccinelle.lip6.fr/) // ( if@p1 (\(ret < 0\|ret != 0\)) { ... return ret; } | ret@p1 = 0 ) ... when != ret = e1 when != &ret *if(...) { ... when != ret = e2 when forall return ret; } // Signed-off-by: Peter Senna Tschudin --- drivers/media/radio/radio-cadet.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/media/radio/radio-cadet.c b/drivers/media/radio/radio-cadet.c index 697a421..643d80a 100644 --- a/drivers/media/radio/radio-cadet.c +++ b/drivers/media/radio/radio-cadet.c @@ -645,7 +645,8 @@ static int __init cadet_init(void) set_bit(V4L2_FL_USE_FH_PRIO, &dev->vdev.flags); video_set_drvdata(&dev->vdev, dev); - if (video_register_device(&dev->vdev, VFL_TYPE_RADIO, radio_nr) < 0) + res = video_register_device(&dev->vdev, VFL_TYPE_RADIO, radio_nr); + if (res < 0) goto err_hdl; v4l2_info(v4l2_dev, "ADS Cadet Radio Card at 0x%x\n", dev->io); return 0;