diff options
| author | Greg Kurz <groug@kaod.org> | 2019-04-19 18:37:17 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-06-15 12:52:58 +0300 |
| commit | dcaa5e20015d63a1dd3bf1c2dd1c56d83010cd10 (patch) | |
| tree | 626db8a5ef796b59011a5fd16936eb75302f73f9 | |
| parent | 47e8097870ee4abdde1f77a4ccb033f88b0e24ad (diff) | |
| download | linux-dcaa5e20015d63a1dd3bf1c2dd1c56d83010cd10.tar.xz | |
vfio-pci/nvlink2: Fix potential VMA leak
[ 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>
| -rw-r--r-- | drivers/vfio/pci/vfio_pci_nvlink2.c | 2 |
1 files changed, 2 insertions, 0 deletions
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; |