From patchwork Thu May 30 03:02:27 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 10968063 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 9076592A for ; Thu, 30 May 2019 03:10:39 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 7D8F8289EE for ; Thu, 30 May 2019 03:10:39 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 6BC8A289ED; Thu, 30 May 2019 03:10:39 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id D83FE289ED for ; Thu, 30 May 2019 03:10:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728169AbfE3DKi (ORCPT ); Wed, 29 May 2019 23:10:38 -0400 Received: from mail.kernel.org ([198.145.29.99]:47936 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728155AbfE3DKh (ORCPT ); Wed, 29 May 2019 23:10:37 -0400 Received: from localhost (ip67-88-213-2.z213-88-67.customer.algx.net [67.88.213.2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id A8E49244D2; Thu, 30 May 2019 03:10:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1559185836; bh=pVWxZxbNvKqIRiN5qwRTrLrmotdfRvBhYgFWEWGfkok=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=wni6xMvg4wVCLshHAmgIEDjYjwqIZBOdN3p4r1YEXCDBe/qMEeLyveQ9QTggqzsFa 7O9DWM6GvUJk68gpupw5OTaYb72axxtHbic4rSgpR/4xSlmyALW/BowKthSwkkQTWc sOU7jDvxcVQwGfOZuY0VkGcwlfFzEa23GfnBuTsE= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Wen Yang , Linus Walleij , Tomasz Figa , Sylwester Nawrocki , Kukjin Kim , linux-samsung-soc@vger.kernel.org, linux-gpio@vger.kernel.org, Krzysztof Kozlowski , Sasha Levin Subject: [PATCH 5.1 149/405] pinctrl: samsung: fix leaked of_node references Date: Wed, 29 May 2019 20:02:27 -0700 Message-Id: <20190530030548.677494978@linuxfoundation.org> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190530030540.291644921@linuxfoundation.org> References: <20190530030540.291644921@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Sender: linux-samsung-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-samsung-soc@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP [ Upstream commit 44b9f86cd41db6c522effa5aec251d664a52fbc0 ] The call to of_find_compatible_node returns a node pointer with refcount incremented thus it must be explicitly decremented after the last usage. Detected by coccinelle with the following warnings: ./drivers/pinctrl/samsung/pinctrl-exynos-arm.c:76:2-8: ERROR: missing of_node_put; acquired a node pointer with refcount incremented on line 66, but without a corresponding object release within this function. ./drivers/pinctrl/samsung/pinctrl-exynos-arm.c:82:1-7: ERROR: missing of_node_put; acquired a node pointer with refcount incremented on line 66, but without a corresponding object release within this function. Signed-off-by: Wen Yang Cc: Linus Walleij Cc: Tomasz Figa Cc: Sylwester Nawrocki Cc: Kukjin Kim Cc: linux-samsung-soc@vger.kernel.org Cc: linux-gpio@vger.kernel.org Cc: linux-kernel@vger.kernel.org Reviewed-by: Krzysztof Kozlowski Signed-off-by: Linus Walleij Signed-off-by: Sasha Levin --- drivers/pinctrl/samsung/pinctrl-exynos-arm.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/pinctrl/samsung/pinctrl-exynos-arm.c b/drivers/pinctrl/samsung/pinctrl-exynos-arm.c index 44c6b753f692a..85ddf49a51885 100644 --- a/drivers/pinctrl/samsung/pinctrl-exynos-arm.c +++ b/drivers/pinctrl/samsung/pinctrl-exynos-arm.c @@ -71,6 +71,7 @@ s5pv210_retention_init(struct samsung_pinctrl_drv_data *drvdata, } clk_base = of_iomap(np, 0); + of_node_put(np); if (!clk_base) { pr_err("%s: failed to map clock registers\n", __func__); return ERR_PTR(-EINVAL);