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Tue, 14 Jan 2025 15:29:03 -0800 From: Nicolin Chen To: , CC: , , , , , Subject: [PATCH rc 1/2] iommufd/fault: Destroy response and mutex in iommufd_fault_destroy() Date: Tue, 14 Jan 2025 15:28:44 -0800 Message-ID: <5e78ecaa3f731c782785de7b1aa5cc535f3cb0a1.1736894696.git.nicolinc@nvidia.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-NV-OnPremToCloud: AnonymousSubmission X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SJ5PEPF000001D5:EE_|MW4PR12MB7168:EE_ X-MS-Office365-Filtering-Correlation-Id: 3aa8d1c9-97e4-482d-a330-08dd34f33e32 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|376014|82310400026|36860700013; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?iqKPjMlX+j4UOrMi+yIV9EjF3BQbqWWO7QRhDl0WaL4MFCitDoFpvGqxvX4y?= =?us-ascii?Q?tjGQqP12+66E5ch+AMccK7KnjFAwgG+gQtHLgZ7cLUiehvCc+Qm/T3Tju/XE?= =?us-ascii?Q?ryiTvxC5VobtKJvlaISJAvfQjwRyvdvVRbCY5zLg22jBkoTvaQKDOfkchsIh?= =?us-ascii?Q?+PMc1hydKJPNJmSWdDDwn3t45v7p4TN8+cWzxeTIxCtTNpOGo8S8dkIqoxA4?= =?us-ascii?Q?cY6N5WUNenyx1IcPfpsErQNRoT7cS7LgnJd+eL/Z2Z/7keziVQ53lm7nx/WV?= =?us-ascii?Q?NVyi34IuWYNPLxFlyg14N94IheubZdN1RY5e9Hz7TzvejbOkE8cMVZPtcc6c?= =?us-ascii?Q?XC3o0B0oNF1Bjjhm9Ok2imKeL62apEDEnmAnkvN/X5+hiT1edsHUX5oMhM0v?= =?us-ascii?Q?SfSS7zexJbeJjSVbC0eSQTVNAej7TG3SS6pG+pOsP8VLKtVVtw6zxyj1VZ7v?= =?us-ascii?Q?zSv6kpZIBdsYei+tBKXvhrlYGN5pk09vkYqdCEmvmeKgCbgEglfzeO7zC1PR?= =?us-ascii?Q?Wb1TNoz2f3NdF1j1pHoY9ku076h+feZtVNGyZA2b9cooc+EKECWAFz0sGO6k?= =?us-ascii?Q?5ZLUAly4KpUgORD6CdVULK+jCIW09JbvBuJIpt3lKd/+nJDOgIHQRz/ab8ep?= =?us-ascii?Q?mK1OqWSwGX5SFrTfIlY7amdIndmYIXP92YHm6ZAhB1ohNZYwIAWRznNlX43w?= =?us-ascii?Q?AF3XMLIsH1kAPSU34itO+xDSTyfSlChZ43GFmYm6R79FaFVVex1WgEiDRSIV?= =?us-ascii?Q?i8c9pZLXbxk4XS1hMrkjBqFjhjHk1tAOEr4vUIPhDmy0DNaXt3NT9pMm3zmN?= =?us-ascii?Q?xt63q5da0fgGGwyYg4GSKwBm4iD8kHbURkzKaL6lFd6A76HKK7nYOap6UVC8?= =?us-ascii?Q?rQ3rjKar5h0nfoezGFaYjo7tHQ7KJ4xWjm5q7icqhne9GhRtqIt09WHySxwh?= =?us-ascii?Q?xE9FDAqQS5/vJPw/nPV1GUdqjb+uaLLazC4SP0bQ5yaz376vdrRy/bZUFGYR?= =?us-ascii?Q?55z8L80L44Sq9eFUiAiJ14A32KaGhNLpWRO+pvotaA7nRkFgExIyXdTattbU?= =?us-ascii?Q?+bhFdxOx1bPcl1pelwpCl5pJ1/DWVMaOGns5KSi2yVdL4IzmN31l9dmhVk7e?= =?us-ascii?Q?xxbln11TNfi4IZD/84KFzuBO31D7JTZtVvK2QiJsuUM0bMcac5n39HzcNfgA?= =?us-ascii?Q?hLo/r1iTMR8jlQC2fgV+ZflPMBgasiGsNs31xwzIDw7lFoKVGyRY4R/l2ivE?= =?us-ascii?Q?baL+gUxYevUQMQJ692Rk9hBsUtGlQ6zePKGFUE+wItC1uO4twq0jsEelM3W4?= =?us-ascii?Q?MPmDFhinYuxevpkfSwMnPfixRtANdhqoORCfEdcSZ+bPyJ5OtqPMfu4TJVIG?= =?us-ascii?Q?bDOWOMNqiK6J/vdqLZ5qxQEohd8Krz9Ceq9jmSIa9U5EiixRKYanSgAlPAR7?= =?us-ascii?Q?Z0rr9wp1lcMIwRd/fHT4/bC71xyrv1hriD+/gz9alJeR36nWlq5D3AiP9UHL?= =?us-ascii?Q?OvflzLKbU+AxDTs=3D?= X-Forefront-Antispam-Report: CIP:216.228.118.233;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.nvidia.com;PTR:dc7edge2.nvidia.com;CAT:NONE;SFS:(13230040)(1800799024)(376014)(82310400026)(36860700013);DIR:OUT;SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 14 Jan 2025 23:29:08.1369 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 3aa8d1c9-97e4-482d-a330-08dd34f33e32 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.118.233];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: SJ5PEPF000001D5.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: MW4PR12MB7168 Content-Type: text/plain; charset="utf-8" Both were missing in the initial patch. Fixes: 07838f7fd529 ("iommufd: Add iommufd fault object") Cc: stable@vger.kernel.org Signed-off-by: Nicolin Chen Reviewed-by: Jason Gunthorpe Reviewed-by: Kevin Tian Reviewed-by: Lu Baolu --- drivers/iommu/iommufd/fault.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/iommu/iommufd/fault.c b/drivers/iommu/iommufd/fault.c index 1fe804e28a86..685510224d05 100644 --- a/drivers/iommu/iommufd/fault.c +++ b/drivers/iommu/iommufd/fault.c @@ -213,6 +213,7 @@ void iommufd_fault_destroy(struct iommufd_object *obj) { struct iommufd_fault *fault =3D container_of(obj, struct iommufd_fault, o= bj); struct iopf_group *group, *next; + unsigned long index; =20 /* * The iommufd object's reference count is zero at this point. @@ -225,6 +226,13 @@ void iommufd_fault_destroy(struct iommufd_object *obj) iopf_group_response(group, IOMMU_PAGE_RESP_INVALID); iopf_free_group(group); } + xa_for_each(&fault->response, index, group) { + xa_erase(&fault->response, index); + iopf_group_response(group, IOMMU_PAGE_RESP_INVALID); + iopf_free_group(group); + } + xa_destroy(&fault->response); + mutex_destroy(&fault->mutex); } =20 static void iommufd_compose_fault_message(struct iommu_fault *fault, --=20 2.43.0