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 8A14E1C29 for ; Wed, 23 Nov 2022 09:35:51 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 00B1DC433C1; Wed, 23 Nov 2022 09:35:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1669196151; bh=bEJp0eN4Xyj/drU/WKRhmg9hOTg0irbKme0KMCkZ76Y=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=w12Wl4dDbheJ8cS9jtlu/8iNjZU/MpSmDUPEv6oA9ZEX6laMriSmm2xq2vI0SgLHt c41ljrUwi8pvXd8vJN6k7MEEnIpYpyO65F2tuY7AGHDx1cfDe3vtUpP18ncNjQoTZl sSCB31X/0Unnx4yQky2k+TOR3WHeMeDItt+iOwhE= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Yuan Can , Shay Agroskin , Paolo Abeni , Sasha Levin Subject: [PATCH 5.15 093/181] net: ena: Fix error handling in ena_init() Date: Wed, 23 Nov 2022 09:50:56 +0100 Message-Id: <20221123084606.334700379@linuxfoundation.org> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20221123084602.707860461@linuxfoundation.org> References: <20221123084602.707860461@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: Yuan Can [ Upstream commit d349e9be5a2c2d7588a2c4e4bfa0bb3dc1226769 ] The ena_init() won't destroy workqueue created by create_singlethread_workqueue() when pci_register_driver() failed. Call destroy_workqueue() when pci_register_driver() failed to prevent the resource leak. Fixes: 1738cd3ed342 ("net: ena: Add a driver for Amazon Elastic Network Adapters (ENA)") Signed-off-by: Yuan Can Acked-by: Shay Agroskin Link: https://lore.kernel.org/r/20221114025659.124726-1-yuancan@huawei.com Signed-off-by: Paolo Abeni Signed-off-by: Sasha Levin --- drivers/net/ethernet/amazon/ena/ena_netdev.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/amazon/ena/ena_netdev.c b/drivers/net/ethernet/amazon/ena/ena_netdev.c index 8f08e0bae300..f032e58a4c3c 100644 --- a/drivers/net/ethernet/amazon/ena/ena_netdev.c +++ b/drivers/net/ethernet/amazon/ena/ena_netdev.c @@ -4583,13 +4583,19 @@ static struct pci_driver ena_pci_driver = { static int __init ena_init(void) { + int ret; + ena_wq = create_singlethread_workqueue(DRV_MODULE_NAME); if (!ena_wq) { pr_err("Failed to create workqueue\n"); return -ENOMEM; } - return pci_register_driver(&ena_pci_driver); + ret = pci_register_driver(&ena_pci_driver); + if (ret) + destroy_workqueue(ena_wq); + + return ret; } static void __exit ena_cleanup(void) -- 2.35.1