From patchwork Sun Aug 19 08:44:24 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Julia Lawall X-Patchwork-Id: 1344161 Return-Path: X-Original-To: patchwork-linux-fbdev@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork1.kernel.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by patchwork1.kernel.org (Postfix) with ESMTP id DA5BB3FC33 for ; Sun, 19 Aug 2012 08:49:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753973Ab2HSIsT (ORCPT ); Sun, 19 Aug 2012 04:48:19 -0400 Received: from mail1-relais-roc.national.inria.fr ([192.134.164.82]:40050 "EHLO mail1-relais-roc.national.inria.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752944Ab2HSIor (ORCPT ); Sun, 19 Aug 2012 04:44:47 -0400 X-IronPort-AV: E=Sophos;i="4.77,792,1336341600"; d="scan'208";a="170216899" Received: from palace.lip6.fr (HELO localhost.localdomain) ([132.227.105.202]) by mail1-relais-roc.national.inria.fr with ESMTP/TLS/DHE-RSA-AES256-SHA; 19 Aug 2012 10:44:37 +0200 From: Julia Lawall To: Florian Tobias Schandinat Cc: kernel-janitors@vger.kernel.org, linux-fbdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 8/14] drivers/video/sunxvr2500.c: fix error return code Date: Sun, 19 Aug 2012 10:44:24 +0200 Message-Id: <1345365870-29831-9-git-send-email-Julia.Lawall@lip6.fr> X-Mailer: git-send-email 1.7.8.6 In-Reply-To: <1345365870-29831-1-git-send-email-Julia.Lawall@lip6.fr> References: <1345365870-29831-1-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 From: Julia Lawall Initialize return variable before exiting on an error path. 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: Julia Lawall --- drivers/video/sunxvr2500.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) -- 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/sunxvr2500.c b/drivers/video/sunxvr2500.c index 5848436..7fbcba8 100644 --- a/drivers/video/sunxvr2500.c +++ b/drivers/video/sunxvr2500.c @@ -181,8 +181,10 @@ static int __devinit s3d_pci_register(struct pci_dev *pdev, sp->fb_size = info->fix.line_length * sp->height; sp->fb_base = ioremap(sp->fb_base_phys, sp->fb_size); - if (!sp->fb_base) + if (!sp->fb_base) { + err = -ENOMEM; goto err_release_pci; + } err = s3d_set_fbinfo(sp); if (err)