From patchwork Sat Oct 10 12:30:50 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Julia Lawall X-Patchwork-Id: 7366291 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 0588C9F36A for ; Sat, 10 Oct 2015 12:43:56 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 3E1AB208FC for ; Sat, 10 Oct 2015 12:43:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 59EF1208FB for ; Sat, 10 Oct 2015 12:43:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751964AbbJJMnV (ORCPT ); Sat, 10 Oct 2015 08:43:21 -0400 Received: from mail2-relais-roc.national.inria.fr ([192.134.164.83]:38206 "EHLO mail2-relais-roc.national.inria.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751950AbbJJMlv (ORCPT ); Sat, 10 Oct 2015 08:41:51 -0400 X-IronPort-AV: E=Sophos;i="5.17,663,1437429600"; d="scan'208";a="182085109" Received: from palace.lip6.fr (HELO localhost.localdomain) ([132.227.105.202]) by mail2-relais-roc.national.inria.fr with ESMTP/TLS/AES128-SHA256; 10 Oct 2015 14:41:47 +0200 From: Julia Lawall To: Jingoo Han Cc: kernel-janitors@vger.kernel.org, Lee Jones , Jean-Christophe Plagniol-Villard , Tomi Valkeinen , linux-fbdev@vger.kernel.org, linux-kernel@vger.kernel.org, Russell King - ARM Linux , Thomas Petazzoni , Andrew Lunn , Bjorn Helgaas , Jason Cooper Subject: [PATCH 1/5] backlight: 88pm860x_bl: add missing of_node_put Date: Sat, 10 Oct 2015 14:30:50 +0200 Message-Id: <1444480254-14399-2-git-send-email-Julia.Lawall@lip6.fr> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1444480254-14399-1-git-send-email-Julia.Lawall@lip6.fr> References: <1444480254-14399-1-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=-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 for_each_child_of_node performs an of_node_get on each iteration, so a break out of the loop requires an of_node_put. The semantic patch that fixes this problem is as follows (http://coccinelle.lip6.fr): // @@ expression root,e; local idexpression child; iterator name for_each_child_of_node; @@ for_each_child_of_node(root, child) { ... when != of_node_put(child) when != e = child + of_node_put(child); ? break; ... } ... when != child // Signed-off-by: Julia Lawall --- drivers/video/backlight/88pm860x_bl.c | 1 + 1 file changed, 1 insertion(+) -- 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/backlight/88pm860x_bl.c b/drivers/video/backlight/88pm860x_bl.c index 2da5862..6d8dc2c 100644 --- a/drivers/video/backlight/88pm860x_bl.c +++ b/drivers/video/backlight/88pm860x_bl.c @@ -180,6 +180,7 @@ static int pm860x_backlight_dt_init(struct platform_device *pdev, data->iset = PM8606_WLED_CURRENT(iset); of_property_read_u32(np, "marvell,88pm860x-pwm", &data->pwm); + of_node_put(np); break; } }