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 8BFD9C00140 for ; Mon, 15 Aug 2022 19:38:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1344077AbiHOTi2 (ORCPT ); Mon, 15 Aug 2022 15:38:28 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42254 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S245510AbiHOTdt (ORCPT ); Mon, 15 Aug 2022 15:33:49 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 38E9424B; Mon, 15 Aug 2022 11:45:14 -0700 (PDT) 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 91898B8105C; Mon, 15 Aug 2022 18:45:12 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id CCC74C433D6; Mon, 15 Aug 2022 18:45:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1660589111; bh=9aFWhDb0sLjSYCbmI8Iu1nyBKM24DyHPC+Y0uMpBoEI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=XlAllnD9/w6QbJYCgNaAvb9rj3nDdGwdFbhkWRuVMnualxhCXHzyosqBCDnGsLHKp eQBpjdfI82Cu1a+L8MeIGxV7JovSYe5+zewX8EqGw7i1+/w6ZFBqungz+xOqDqBute Kvdj+B6ReVIZa1mwe6UGuQUSVImH1GaKn4PrTUZg= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Miaoqian Lin , Krzysztof Kozlowski , Lee Jones , Sasha Levin Subject: [PATCH 5.15 616/779] mfd: max77620: Fix refcount leak in max77620_initialise_fps Date: Mon, 15 Aug 2022 20:04:20 +0200 Message-Id: <20220815180403.700238951@linuxfoundation.org> X-Mailer: git-send-email 2.37.2 In-Reply-To: <20220815180337.130757997@linuxfoundation.org> References: <20220815180337.130757997@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: linux-kernel@vger.kernel.org From: Miaoqian Lin [ Upstream commit 1520669c8255bd637c6b248b2be910e2688d38dd ] of_get_child_by_name() returns a node pointer with refcount incremented, we should use of_node_put() on it when not need anymore. Add missing of_node_put() to avoid refcount leak. Fixes: 327156c59360 ("mfd: max77620: Add core driver for MAX77620/MAX20024") Signed-off-by: Miaoqian Lin Reviewed-by: Krzysztof Kozlowski Signed-off-by: Lee Jones Link: https://lore.kernel.org/r/20220601043222.64441-1-linmq006@gmail.com Signed-off-by: Sasha Levin --- drivers/mfd/max77620.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/mfd/max77620.c b/drivers/mfd/max77620.c index fec2096474ad..a6661e07035b 100644 --- a/drivers/mfd/max77620.c +++ b/drivers/mfd/max77620.c @@ -419,9 +419,11 @@ static int max77620_initialise_fps(struct max77620_chip *chip) ret = max77620_config_fps(chip, fps_child); if (ret < 0) { of_node_put(fps_child); + of_node_put(fps_np); return ret; } } + of_node_put(fps_np); config = chip->enable_global_lpm ? MAX77620_ONOFFCNFG2_SLP_LPM_MSK : 0; ret = regmap_update_bits(chip->rmap, MAX77620_REG_ONOFFCNFG2, -- 2.35.1