From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932926Ab2IRMJv (ORCPT ); Tue, 18 Sep 2012 08:09:51 -0400 Received: from mail-we0-f174.google.com ([74.125.82.174]:34299 "EHLO mail-we0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932505Ab2IRMIO (ORCPT ); Tue, 18 Sep 2012 08:08:14 -0400 From: Peter Senna Tschudin To: nicolas.ferre@atmel.com Cc: FlorianSchandinat@gmx.de, linux-fbdev@vger.kernel.org, linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org, Peter Senna Tschudin Subject: [PATCH 05/10] drivers/video/atmel_lcdfb.c: fix error return code Date: Tue, 18 Sep 2012 14:07:55 +0200 Message-Id: <1347970080-25175-5-git-send-email-peter.senna@gmail.com> X-Mailer: git-send-email 1.7.11.4 In-Reply-To: <1347970080-25175-1-git-send-email-peter.senna@gmail.com> References: <1347970080-25175-1-git-send-email-peter.senna@gmail.com> 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/video/atmel_lcdfb.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/video/atmel_lcdfb.c b/drivers/video/atmel_lcdfb.c index 1505539..94cac9f 100644 --- a/drivers/video/atmel_lcdfb.c +++ b/drivers/video/atmel_lcdfb.c @@ -931,8 +931,10 @@ static int __init atmel_lcdfb_probe(struct platform_device *pdev) } info->screen_base = ioremap(info->fix.smem_start, info->fix.smem_len); - if (!info->screen_base) + if (!info->screen_base) { + ret = -ENOMEM; goto release_intmem; + } /* * Don't clear the framebuffer -- someone may have set @@ -960,6 +962,7 @@ static int __init atmel_lcdfb_probe(struct platform_device *pdev) sinfo->mmio = ioremap(info->fix.mmio_start, info->fix.mmio_len); if (!sinfo->mmio) { dev_err(dev, "cannot map LCDC registers\n"); + ret = -ENOMEM; goto release_mem; } -- 1.7.11.4