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 X-Spam-Level: X-Spam-Status: No, score=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7FDAAC17440 for ; Sun, 10 Nov 2019 02:56:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 4C6BD21019 for ; Sun, 10 Nov 2019 02:56:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1573354577; bh=H/QK2cUXjuCxu5n5CCGkede3gAy2IzrRCqu9ad+BuOI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=yy0ykU9d6NGYAVVPX/NvrUFj3zXYX65It0W+gNDpwMNVXGjAyf2KUX1n8FJm++BJV HwVE+B9uSB/JV+9NrbHJWrhkw4z69kPt1WVww+SDw2BBDpguSloyvZw9z/Nd2qengq EhuVz8RVOWcLcohvgwNeCworGlV13TQ0kHVOY2fk= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729590AbfKJCt6 (ORCPT ); Sat, 9 Nov 2019 21:49:58 -0500 Received: from mail.kernel.org ([198.145.29.99]:60570 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729587AbfKJCt5 (ORCPT ); Sat, 9 Nov 2019 21:49:57 -0500 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id C2A2C22581; Sun, 10 Nov 2019 02:49:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1573354196; bh=H/QK2cUXjuCxu5n5CCGkede3gAy2IzrRCqu9ad+BuOI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=O/mtaSpxkKCeEdn7o+Lq6CKQbjU9pMzfyYT61MBWTyRCv1pbYBqWSjw71vqyIxpkp 3XMWtiFUsjRZGUhSb7P7EDAZJu2X4IXUrnUNnwLLUgXuRpg0xWLTQ+8+K6ywdxvZ00 tVBDaZO2ZscsoMA3rordQc73NuGZ06EfTWX7NpZ4= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Li Qiang , Eric Auger , Alex Williamson , Sasha Levin , kvm@vger.kernel.org Subject: [PATCH AUTOSEL 4.9 43/66] vfio/pci: Fix potential memory leak in vfio_msi_cap_len Date: Sat, 9 Nov 2019 21:48:22 -0500 Message-Id: <20191110024846.32598-43-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20191110024846.32598-1-sashal@kernel.org> References: <20191110024846.32598-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Li Qiang [ Upstream commit 30ea32ab1951c80c6113f300fce2c70cd12659e4 ] Free allocated vdev->msi_perm in error path. Signed-off-by: Li Qiang Reviewed-by: Eric Auger Signed-off-by: Alex Williamson Signed-off-by: Sasha Levin --- drivers/vfio/pci/vfio_pci_config.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/vfio/pci/vfio_pci_config.c b/drivers/vfio/pci/vfio_pci_config.c index 7b8a957b008d2..06a20ea183dd6 100644 --- a/drivers/vfio/pci/vfio_pci_config.c +++ b/drivers/vfio/pci/vfio_pci_config.c @@ -1182,8 +1182,10 @@ static int vfio_msi_cap_len(struct vfio_pci_device *vdev, u8 pos) return -ENOMEM; ret = init_pci_cap_msi_perm(vdev->msi_perm, len, flags); - if (ret) + if (ret) { + kfree(vdev->msi_perm); return ret; + } return len; } -- 2.20.1