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 C79161C07 for ; Wed, 28 Dec 2022 16:10:55 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4D12AC433F0; Wed, 28 Dec 2022 16:10:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1672243855; bh=1Ebm9EXyzyRrLnk7ex+KcqhioFXHdbAYh5h/mrskiSk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=b647jqLfaoaRHsLshHXQsGvFgb9y2MK8DCX/iteOu0MH7Y7QamEJRfL1Vj/+bcJKV ORrb74iMpIHG3HzNEhbE2X6E39tUY7tUDKxfOjRnRASQE/ZLi+fiaG/xHMPBess1YQ MEw0znHGgnaEMN5In0OFPKllG6xx7Bd939vrqYoU= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Christophe JAILLET , Jakub Kicinski , Sasha Levin Subject: [PATCH 6.1 0567/1146] octeontx2-af: cn10k: mcs: Fix a resource leak in the probe and remove functions Date: Wed, 28 Dec 2022 15:35:06 +0100 Message-Id: <20221228144345.567940757@linuxfoundation.org> X-Mailer: git-send-email 2.39.0 In-Reply-To: <20221228144330.180012208@linuxfoundation.org> References: <20221228144330.180012208@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: Christophe JAILLET [ Upstream commit 87c978123ef1f346d7385eaccc141022d368166f ] In mcs_register_interrupts(), a call to request_irq() is not balanced by a corresponding free_irq(), neither in the error handling path, nor in the remove function. Add the missing calls. Fixes: 6c635f78c474 ("octeontx2-af: cn10k: mcs: Handle MCS block interrupts") Signed-off-by: Christophe JAILLET Link: https://lore.kernel.org/r/69f153db5152a141069f990206e7389f961d41ec.1670693669.git.christophe.jaillet@wanadoo.fr Signed-off-by: Jakub Kicinski Signed-off-by: Sasha Levin --- drivers/net/ethernet/marvell/octeontx2/af/mcs.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/marvell/octeontx2/af/mcs.c b/drivers/net/ethernet/marvell/octeontx2/af/mcs.c index c0bedf402da9..f68a6a0e3aa4 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/mcs.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/mcs.c @@ -1184,10 +1184,13 @@ static int mcs_register_interrupts(struct mcs *mcs) mcs->tx_sa_active = alloc_mem(mcs, mcs->hw->sc_entries); if (!mcs->tx_sa_active) { ret = -ENOMEM; - goto exit; + goto free_irq; } return ret; + +free_irq: + free_irq(pci_irq_vector(mcs->pdev, MCS_INT_VEC_IP), mcs); exit: pci_free_irq_vectors(mcs->pdev); mcs->num_vec = 0; @@ -1589,6 +1592,7 @@ static void mcs_remove(struct pci_dev *pdev) /* Set MCS to external bypass */ mcs_set_external_bypass(mcs, true); + free_irq(pci_irq_vector(pdev, MCS_INT_VEC_IP), mcs); pci_free_irq_vectors(pdev); pci_release_regions(pdev); pci_disable_device(pdev); -- 2.35.1