From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 1A39946B5 for ; Mon, 16 Jan 2023 16:21:44 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 93DB5C433EF; Mon, 16 Jan 2023 16:21:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1673886103; bh=vrcDQKhxxedJe/GkQp5x08wBHgIum1+JAR6+zMRSZE8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Ek5XOTPNrcyE7yq15wsO/x+TJuTIwsaSpOwfHkqkPp5lLv91O0UxSQBjc/mNioUAt B1kYQqNrHU78CneULaIaCoMGkgonxstaNv1KsbeeQ0EWEaZ3cWNJoUbA5grtWzdX0O I6tSdSUtc1Tq4VWuT9zSrcM5xYJw2hIcDTRR/x3k= 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 5.4 303/658] drivers: mcb: fix resource leak in mcb_probe() Date: Mon, 16 Jan 2023 16:46:31 +0100 Message-Id: <20230116154923.451522844@linuxfoundation.org> X-Mailer: git-send-email 2.39.0 In-Reply-To: <20230116154909.645460653@linuxfoundation.org> References: <20230116154909.645460653@linuxfoundation.org> User-Agent: quilt/0.67 Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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 c799bb81ab03..2df3ab3b76e4 100644 --- a/drivers/mcb/mcb-core.c +++ b/drivers/mcb/mcb-core.c @@ -71,8 +71,10 @@ 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