[ Upstream commit 2c85f2bd519457073444ec28bbb4743a4e4237a7 ]
If vfio_pci_register_dev_region() fails then we should rollback previous changes, ie. unmap the ATSD registers.
Fixes: 7f92891778df ("vfio_pci: Add NVIDIA GV100GL [Tesla V100 SXM2] subdriver") Signed-off-by: Greg Kurz groug@kaod.org Reviewed-by: Alexey Kardashevskiy aik@ozlabs.ru Signed-off-by: Alex Williamson alex.williamson@redhat.com Signed-off-by: Sasha Levin sashal@kernel.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;