From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 34EBEC678D5 for ; Tue, 7 Mar 2023 17:29:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231522AbjCGR3P (ORCPT ); Tue, 7 Mar 2023 12:29:15 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51162 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231651AbjCGR2j (ORCPT ); Tue, 7 Mar 2023 12:28:39 -0500 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9981E97FC4 for ; Tue, 7 Mar 2023 09:23:56 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 43AC7B81995 for ; Tue, 7 Mar 2023 17:23:55 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 998A9C433EF; Tue, 7 Mar 2023 17:23:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1678209834; bh=KltM3+HRE7cLRHODQ5TT3ctjD5/CJLobLIMvbAV4UhE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=s2HCUClYVWePm3sdXv9mYCIhzhCn0Mq4EvighEbqusnqy5oBpmUIs0mVHNcSkgunJ 44Y+VBdkzbVkimT6VgZw9BGOsRcQHroFyhyQJ77PNGBl4zYaZjk+dMTvPRRfrMeVzv M7Ub/4hyG3ufexxeg0Myb/zNjxYR5W3jDfTWtytM= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Miaoqian Lin , Linus Walleij , Sasha Levin Subject: [PATCH 6.2 0346/1001] pinctrl: stm32: Fix refcount leak in stm32_pctrl_get_irq_domain Date: Tue, 7 Mar 2023 17:51:58 +0100 Message-Id: <20230307170036.469687590@linuxfoundation.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230307170022.094103862@linuxfoundation.org> References: <20230307170022.094103862@linuxfoundation.org> User-Agent: quilt/0.67 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Miaoqian Lin [ Upstream commit dcef18c8ac40aa85bb339f64c1dd31dd458b06fb ] of_irq_find_parent() returns a node pointer with refcount incremented, We should use of_node_put() on it when not needed anymore. Add missing of_node_put() to avoid refcount leak. Fixes: d86f4d71e42a ("pinctrl: stm32: check irq controller availability at probe") Signed-off-by: Miaoqian Lin Link: https://lore.kernel.org/r/20230102082503.3944927-1-linmq006@gmail.com Signed-off-by: Linus Walleij Signed-off-by: Sasha Levin --- drivers/pinctrl/stm32/pinctrl-stm32.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/pinctrl/stm32/pinctrl-stm32.c b/drivers/pinctrl/stm32/pinctrl-stm32.c index 1cddca506ad7e..cb33a23ab0c11 100644 --- a/drivers/pinctrl/stm32/pinctrl-stm32.c +++ b/drivers/pinctrl/stm32/pinctrl-stm32.c @@ -1382,6 +1382,7 @@ static struct irq_domain *stm32_pctrl_get_irq_domain(struct platform_device *pde return ERR_PTR(-ENXIO); domain = irq_find_host(parent); + of_node_put(parent); if (!domain) /* domain not registered yet */ return ERR_PTR(-EPROBE_DEFER); -- 2.39.2