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 EB277CCA473 for ; Wed, 6 Jul 2022 15:33:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234033AbiGFPdD (ORCPT ); Wed, 6 Jul 2022 11:33:03 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46046 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233957AbiGFPcY (ORCPT ); Wed, 6 Jul 2022 11:32:24 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 32274286CE; Wed, 6 Jul 2022 08:31:55 -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 69C77B81D98; Wed, 6 Jul 2022 15:31:53 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9FFCCC341CA; Wed, 6 Jul 2022 15:31:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1657121512; bh=5TmI5gMFDp/IwdORJQ6PYCQAsR0ZEQfsy0HobI+u69Y=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=X/ck5e4bht71xF5qQmCWefdNeNvTTqk52EB4gP2k3XtLm+gWM97ZXU1l9nCxt2Dr6 UjjnU/Z1gfJV+TRhvpC0IkOy8NG4zXVUA0jkvo2CMBA1sZptc9/Hr+GkNrMPU5KyIZ TxY7oelzTAdh9jYwPeNwncK/wRlNDcJe4rt7lIxVpWtUKXSN6WIaR2t/7uIhSXgovK o+vZaFy03HMp34vmsfgbZDtTZVS6/0ARRJR9j4EbKqguxT/MWjFIuVNZdkN8iFD65J Oh2+EI78f8IYPs59swqiRCzZcCBb14z019AWJ49h+vRUIt6p2j+0yxLy1ecG0JdI7S gcB2kee3XU9xg== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Jianglei Nie , Russell King , Paolo Abeni , Sasha Levin , linux@armlinux.org.uk, andrew@lunn.ch, hkallweit1@gmail.com, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, netdev@vger.kernel.org Subject: [PATCH AUTOSEL 5.18 22/22] net: sfp: fix memory leak in sfp_probe() Date: Wed, 6 Jul 2022 11:30:40 -0400 Message-Id: <20220706153041.1597639-22-sashal@kernel.org> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220706153041.1597639-1-sashal@kernel.org> References: <20220706153041.1597639-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Jianglei Nie [ Upstream commit 0a18d802d65cf662644fd1d369c86d84a5630652 ] sfp_probe() allocates a memory chunk from sfp with sfp_alloc(). When devm_add_action() fails, sfp is not freed, which leads to a memory leak. We should use devm_add_action_or_reset() instead of devm_add_action(). Signed-off-by: Jianglei Nie Reviewed-by: Russell King (Oracle) Link: https://lore.kernel.org/r/20220629075550.2152003-1-niejianglei2021@163.com Signed-off-by: Paolo Abeni Signed-off-by: Sasha Levin --- drivers/net/phy/sfp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/phy/sfp.c b/drivers/net/phy/sfp.c index 9a5d5a10560f..e7b0e12cc75b 100644 --- a/drivers/net/phy/sfp.c +++ b/drivers/net/phy/sfp.c @@ -2516,7 +2516,7 @@ static int sfp_probe(struct platform_device *pdev) platform_set_drvdata(pdev, sfp); - err = devm_add_action(sfp->dev, sfp_cleanup, sfp); + err = devm_add_action_or_reset(sfp->dev, sfp_cleanup, sfp); if (err < 0) return err; -- 2.35.1