From patchwork Sat Nov 22 14:39:19 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Julia Lawall X-Patchwork-Id: 5359361 Return-Path: X-Original-To: patchwork-dmaengine@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 540B1C11AC for ; Sat, 22 Nov 2014 14:45:42 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 953722011E for ; Sat, 22 Nov 2014 14:45:41 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C4CBC2010C for ; Sat, 22 Nov 2014 14:45:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751008AbaKVOox (ORCPT ); Sat, 22 Nov 2014 09:44:53 -0500 Received: from mail3-relais-sop.national.inria.fr ([192.134.164.104]:51827 "EHLO mail3-relais-sop.national.inria.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752123AbaKVOon (ORCPT ); Sat, 22 Nov 2014 09:44:43 -0500 X-IronPort-AV: E=Sophos;i="5.07,437,1413237600"; d="scan'208";a="90017241" Received: from palace.rsr.lip6.fr (HELO localhost.localdomain) ([132.227.105.202]) by mail3-relais-sop.national.inria.fr with ESMTP/TLS/DHE-RSA-AES256-SHA; 22 Nov 2014 15:44:18 +0100 From: Julia Lawall To: Linus Walleij Cc: kernel-janitors@vger.kernel.org, Vinod Koul , Dan Williams , linux-arm-kernel@lists.infradead.org, dmaengine@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 6/6] dmaengine: ste_dma40: fix error return code Date: Sat, 22 Nov 2014 15:39:19 +0100 Message-Id: <1416667159-9808-7-git-send-email-Julia.Lawall@lip6.fr> X-Mailer: git-send-email 1.8.3.2 In-Reply-To: <1416667159-9808-1-git-send-email-Julia.Lawall@lip6.fr> References: <1416667159-9808-1-git-send-email-Julia.Lawall@lip6.fr> Sender: dmaengine-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: dmaengine@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, T_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 From: Julia Lawall Return a negative error code on failure. A simplified version of the semantic match that finds this 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 Acked-by: Linus Walleij --- drivers/dma/ste_dma40.c | 1 + 1 file changed, 1 insertion(+) -- To unsubscribe from this list: send the line "unsubscribe dmaengine" 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/dma/ste_dma40.c b/drivers/dma/ste_dma40.c index 7de218c..c62d26b 100644 --- a/drivers/dma/ste_dma40.c +++ b/drivers/dma/ste_dma40.c @@ -3432,6 +3432,7 @@ static int __init d40_lcla_allocate(struct d40_base *base) d40_err(base->dev, "Failed to allocate %d pages.\n", base->lcla_pool.pages); + ret = -ENOMEM; for (j = 0; j < i; j++) free_pages(page_list[j], base->lcla_pool.pages);