Messages in this thread Patch in this message | | | Subject | [PATCH] vfio-pci/nvlink2: Fix potential VMA leak | From | Greg Kurz <> | Date | Fri, 19 Apr 2019 17:37:17 +0200 |
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If vfio_pci_register_dev_region() fails then we should rollback previous changes, ie. unmap the ATSD registers.
Signed-off-by: Greg Kurz <groug@kaod.org> --- drivers/vfio/pci/vfio_pci_nvlink2.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/drivers/vfio/pci/vfio_pci_nvlink2.c b/drivers/vfio/pci/vfio_pci_nvlink2.c index 32f695ffe128..50fe3c4f7feb 100644 --- a/drivers/vfio/pci/vfio_pci_nvlink2.c +++ b/drivers/vfio/pci/vfio_pci_nvlink2.c @@ -472,6 +472,8 @@ int vfio_pci_ibm_npu2_init(struct vfio_pci_device *vdev) return 0; free_exit: + if (data->base) + memunmap(data->base); kfree(data); return ret;
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