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 A9CAA15C83 for ; Mon, 5 Dec 2022 19:34:03 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2AFE1C433C1; Mon, 5 Dec 2022 19:34:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1670268843; bh=hSDrkl+XLwQQ5B1pfpYrbsz68KDUoBdhbEokbrcKx7Y=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=aIZLka5h2MRL2DVF58wnRCt0PjQRJsGENdylC/VMw1/Fa8R3R35BIlJCnjYRYkAU5 96Ritt1j7dk5jS5Ir9wXLddR/SEGL5+wWMhwYeTtrergVvM8FmdTK6BUA+qqhOMw4x FpNVJ4kpRZj9YN09rDCAhPoGY08XAZvBP0PGlRh0= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Yuan Can , Konrad Jankowski , Tony Nguyen , Sasha Levin Subject: [PATCH 5.15 032/120] iavf: Fix error handling in iavf_init_module() Date: Mon, 5 Dec 2022 20:09:32 +0100 Message-Id: <20221205190807.524414125@linuxfoundation.org> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20221205190806.528972574@linuxfoundation.org> References: <20221205190806.528972574@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 227d8d2f7f2278b8468c5531b0cd0f2a905b4486 ] The iavf_init_module() won't destroy workqueue when pci_register_driver() failed. Call destroy_workqueue() when pci_register_driver() failed to prevent the resource leak. Similar to the handling of u132_hcd_init in commit f276e002793c ("usb: u132-hcd: fix resource leak") Fixes: 2803b16c10ea ("i40e/i40evf: Use private workqueue") Signed-off-by: Yuan Can Tested-by: Konrad Jankowski Signed-off-by: Tony Nguyen Signed-off-by: Sasha Levin --- drivers/net/ethernet/intel/iavf/iavf_main.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/intel/iavf/iavf_main.c b/drivers/net/ethernet/intel/iavf/iavf_main.c index f2f8f2a43a34..82c4f1190e41 100644 --- a/drivers/net/ethernet/intel/iavf/iavf_main.c +++ b/drivers/net/ethernet/intel/iavf/iavf_main.c @@ -4341,6 +4341,8 @@ static struct pci_driver iavf_driver = { **/ static int __init iavf_init_module(void) { + int ret; + pr_info("iavf: %s\n", iavf_driver_string); pr_info("%s\n", iavf_copyright); @@ -4351,7 +4353,12 @@ static int __init iavf_init_module(void) pr_err("%s: Failed to create workqueue\n", iavf_driver_name); return -ENOMEM; } - return pci_register_driver(&iavf_driver); + + ret = pci_register_driver(&iavf_driver); + if (ret) + destroy_workqueue(iavf_wq); + + return ret; } module_init(iavf_init_module); -- 2.35.1