From nobody Mon Apr 27 03:16:17 2026 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 B0E24C43334 for ; Fri, 17 Jun 2022 14:43:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1382851AbiFQOnt (ORCPT ); Fri, 17 Jun 2022 10:43:49 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47466 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1382876AbiFQOnr (ORCPT ); Fri, 17 Jun 2022 10:43:47 -0400 Received: from m15114.mail.126.com (m15114.mail.126.com [220.181.15.114]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 5D9924F9ED for ; Fri, 17 Jun 2022 07:43:42 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=126.com; s=s110527; h=From:Subject:Date:Message-Id:MIME-Version; bh=oqTFS HQR0LyoKRjMr2/vnSyFVI269+kRaqPVQCinquA=; b=YUbWt5fwnt/qeuRUmA3ks eVCpZ2psR0iXF1+SWD6egNuCcjodxyAm8GSiCgo5o0xD45yq6mZpxNt31gJUPPWs 4Zu2nyVGceNZd+r9Q4L5CpPrlk6Q1FOH/wELEeUK5ApmuVtgj2z/Y/aZJBdZbCFY jMmJxz4160rAY0fqjpIZ7A= Received: from localhost.localdomain (unknown [124.16.139.61]) by smtp7 (Coremail) with SMTP id DsmowACHJv+Ckqxin0VlDg--.21214S2; Fri, 17 Jun 2022 22:41:07 +0800 (CST) From: Liang He To: jic23@kernel.org, lars@metafoo.de, joel@jms.id.au, andrew@aj.id.au, p.zabel@pengutronix.de, lgirdwood@gmail.com, broonie@kernel.org, billy_tsai@aspeedtech.com, colin.king@intel.com Cc: windhl@126.com, linux-iio@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-aspeed@lists.ozlabs.org, linux-kernel@vger.kernel.org Subject: [PATCH] iio: adc: Fix refcount leak bug in aspeed_adc Date: Fri, 17 Jun 2022 22:41:06 +0800 Message-Id: <20220617144106.4050677-1-windhl@126.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-CM-TRANSID: DsmowACHJv+Ckqxin0VlDg--.21214S2 X-Coremail-Antispam: 1Uf129KBjvdXoWrZF4fWry3Gry7Cr4UZr15XFb_yoW3CrcEgw s7WwsxXrnrAFZ0vrWqvw1fXr909Fy8WFWkuF10v34fWa4UArZ7AryDWF4YvrWUZrs2va45 ZF4DX34xJrnxGjkaLaAFLSUrUUUUUb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUvcSsGvfC2KfnxnUUI43ZEXa7IUjn2-3UUUUU== X-Originating-IP: [124.16.139.61] X-CM-SenderInfo: hzlqvxbo6rjloofrz/1tbiuA0jF2JVj6h7ygABsh Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" In aspeed_adc_set_trim_data(), of_find_node_by_name() will return a node pointer with refcount incremented. We should use of_node_put() when it is not used anymore. Signed-off-by: Liang He --- drivers/iio/adc/aspeed_adc.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/iio/adc/aspeed_adc.c b/drivers/iio/adc/aspeed_adc.c index 0793d2474cdc..9341e0e0eb55 100644 --- a/drivers/iio/adc/aspeed_adc.c +++ b/drivers/iio/adc/aspeed_adc.c @@ -186,6 +186,7 @@ static int aspeed_adc_set_trim_data(struct iio_dev *ind= io_dev) return -EOPNOTSUPP; } scu =3D syscon_node_to_regmap(syscon); + of_node_put(syscon); if (IS_ERR(scu)) { dev_warn(data->dev, "Failed to get syscon regmap\n"); return -EOPNOTSUPP; --=20 2.25.1