From patchwork Sun Aug 23 00:11:15 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Julia Lawall X-Patchwork-Id: 7056621 Return-Path: X-Original-To: patchwork-linux-fbdev@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 683989F344 for ; Sun, 23 Aug 2015 00:21:55 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 7AF6820693 for ; Sun, 23 Aug 2015 00:21:54 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 87DA9206E9 for ; Sun, 23 Aug 2015 00:21:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751883AbbHWAVr (ORCPT ); Sat, 22 Aug 2015 20:21:47 -0400 Received: from mail2-relais-roc.national.inria.fr ([192.134.164.83]:22187 "EHLO mail2-relais-roc.national.inria.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752252AbbHWAVX (ORCPT ); Sat, 22 Aug 2015 20:21:23 -0400 X-IronPort-AV: E=Sophos;i="5.15,730,1432591200"; d="scan'208";a="174523015" Received: from palace.lip6.fr (HELO localhost.localdomain) ([132.227.105.202]) by mail2-relais-roc.national.inria.fr with ESMTP/TLS/DHE-RSA-AES256-SHA; 23 Aug 2015 02:21:18 +0200 From: Julia Lawall To: Jean-Christophe Plagniol-Villard Cc: kernel-janitors@vger.kernel.org, Tomi Valkeinen , linux-fbdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 04/11] fbdev: ssd1307fb: fix error return code Date: Sun, 23 Aug 2015 02:11:15 +0200 Message-Id: <1440288682-12732-5-git-send-email-Julia.Lawall@lip6.fr> X-Mailer: git-send-email 1.8.3.2 In-Reply-To: <1440288682-12732-1-git-send-email-Julia.Lawall@lip6.fr> References: <1440288682-12732-1-git-send-email-Julia.Lawall@lip6.fr> Sender: linux-fbdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fbdev@vger.kernel.org X-Spam-Status: No, score=-7.8 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Propagate error code on failure. Also changed %ld to %d in dev_err to use ret variable rather than putting two calls to PTR_ERR. A simplified version of the semantic match that finds the first problem is as follows: (http://coccinelle.lip6.fr/) // @@ identifier ret; expression e1,e2; @@ ( if (\(ret < 0\|ret != 0\)) { ... return ret; } | ret = 0 ) ... when != ret = e1 when != &ret *if(...) { ... when != ret = e2 when forall return ret; } // Signed-off-by: Julia Lawall --- drivers/video/fbdev/ssd1307fb.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) -- To unsubscribe from this list: send the line "unsubscribe linux-fbdev" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html diff --git a/drivers/video/fbdev/ssd1307fb.c b/drivers/video/fbdev/ssd1307fb.c index 3e153c0..1611215 100644 --- a/drivers/video/fbdev/ssd1307fb.c +++ b/drivers/video/fbdev/ssd1307fb.c @@ -656,8 +656,9 @@ static int ssd1307fb_probe(struct i2c_client *client, bl = backlight_device_register(bl_name, &client->dev, par, &ssd1307fb_bl_ops, NULL); if (IS_ERR(bl)) { - dev_err(&client->dev, "unable to register backlight device: %ld\n", - PTR_ERR(bl)); + ret = PTR_ERR(bl); + dev_err(&client->dev, "unable to register backlight device: %d\n", + ret); goto bl_init_error; }