Commit 2c85f2bd authored by Greg Kurz's avatar Greg Kurz Committed by Alex Williamson
Browse files

vfio-pci/nvlink2: Fix potential VMA leak 



If vfio_pci_register_dev_region() fails then we should rollback
previous changes, ie. unmap the ATSD registers.

Fixes: 7f928917 ("vfio_pci: Add NVIDIA GV100GL [Tesla V100 SXM2] subdriver")
Signed-off-by: default avatarGreg Kurz <groug@kaod.org>
Reviewed-by: default avatarAlexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: default avatarAlex Williamson <alex.williamson@redhat.com>
parent 41be3e26

drivers/vfio/pci/vfio_pci_nvlink2.c

+2 −0
Original line number Diff line number Diff line
@@ -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;