[PATCH v2 1/6] amdgpu: fix possible resource leakage in kfd_cleanup_nodes()

Jiang Liu gerry at linux.alibaba.com
Sun Jan 5 02:45:29 UTC 2025


Fix possible resource leakage on error recovery path in function
kgd2kfd_device_init().

Signed-off-by: Jiang Liu <gerry at linux.alibaba.com>
---
 drivers/gpu/drm/amd/amdkfd/kfd_device.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device.c b/drivers/gpu/drm/amd/amdkfd/kfd_device.c
index a29374c86405..fa5054940486 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_device.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_device.c
@@ -898,15 +898,15 @@ bool kgd2kfd_device_init(struct kfd_dev *kfd,
 		if (kfd->adev->xcp_mgr)
 			kfd_setup_interrupt_bitmap(node, i);
 
+		spin_lock_init(&node->watch_points_lock);
+
+		kfd->nodes[i] = node;
+
 		/* Initialize the KFD node */
 		if (kfd_init_node(node)) {
 			dev_err(kfd_device, "Error initializing KFD node\n");
 			goto node_init_error;
 		}
-
-		spin_lock_init(&node->watch_points_lock);
-
-		kfd->nodes[i] = node;
 	}
 
 	svm_range_set_max_pages(kfd->adev);
@@ -921,6 +921,7 @@ bool kgd2kfd_device_init(struct kfd_dev *kfd,
 	goto out;
 
 node_init_error:
+	i++;
 node_alloc_error:
 	kfd_cleanup_nodes(kfd, i);
 	kfd_doorbell_fini(kfd);
-- 
2.43.5



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