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 B01B0C54EBE for ; Mon, 16 Jan 2023 17:07:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234220AbjAPRHr (ORCPT ); Mon, 16 Jan 2023 12:07:47 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60246 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234234AbjAPRH3 (ORCPT ); Mon, 16 Jan 2023 12:07:29 -0500 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9F249442D3 for ; Mon, 16 Jan 2023 08:48:04 -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 7DEB3B8105D for ; Mon, 16 Jan 2023 16:47:57 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id D9867C433F1; Mon, 16 Jan 2023 16:47:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1673887676; bh=Q47DhHufZjz2yw8LsqEMABxE3v4eeNVt/zGIx7XhVF0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=dPLmrAPkpwRfnv0WW/pEA5cUmgIZ61QELB4p/RqkqbPoLcXb/2qFjQ+wIZ3M+sgYe fC6HRl35NubcD+0wnkR+Z0yLbeBM+5k+v04vQzjiSwsH8BoaHfeQu0QniEQuBgYJ2l PzqI9pCaCN0p0w3iec5rxaoTG0MuL4+YV4WUK95Q= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Zhengchao Shao , Johannes Thumshirn , Sasha Levin Subject: [PATCH 4.19 240/521] drivers: mcb: fix resource leak in mcb_probe() Date: Mon, 16 Jan 2023 16:48:22 +0100 Message-Id: <20230116154857.877152127@linuxfoundation.org> X-Mailer: git-send-email 2.39.0 In-Reply-To: <20230116154847.246743274@linuxfoundation.org> References: <20230116154847.246743274@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: Zhengchao Shao [ Upstream commit d7237462561fcd224fa687c56ccb68629f50fc0d ] When probe hook function failed in mcb_probe(), it doesn't put the device. Compiled test only. Fixes: 7bc364097a89 ("mcb: Acquire reference to device in probe") Signed-off-by: Zhengchao Shao Signed-off-by: Johannes Thumshirn Link: https://lore.kernel.org/r/9f87de36bfb85158b506cb78c6fc9db3f6a3bad1.1669624063.git.johannes.thumshirn@wdc.com Signed-off-by: Greg Kroah-Hartman Signed-off-by: Sasha Levin --- drivers/mcb/mcb-core.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/mcb/mcb-core.c b/drivers/mcb/mcb-core.c index 118d27ee31c2..7fd32b0183dc 100644 --- a/drivers/mcb/mcb-core.c +++ b/drivers/mcb/mcb-core.c @@ -74,8 +74,10 @@ static int mcb_probe(struct device *dev) get_device(dev); ret = mdrv->probe(mdev, found_id); - if (ret) + if (ret) { module_put(carrier_mod); + put_device(dev); + } return ret; } -- 2.35.1