diff options
| author |   Julia Lawall <Julia.Lawall@inria.fr> | 2019-12-29 16:42:56 +0100 |
|---|---|---|
| committer |   Alex Williamson <alex.williamson@redhat.com> | 2020-01-07 13:02:43 -0700 |
| commit | bb3d3cf928d4cc450aa817a9c71f4324ec68fd63 (patch) | |
| tree | dbf454be8d610742f3974f5855fc442076b7ee48 /drivers/vfio | |
| parent | vfio/spapr/nvlink2: Skip unpinning pages on error exit (diff) | |
| download | wireguard-linux-bb3d3cf928d4cc450aa817a9c71f4324ec68fd63.tar.xz wireguard-linux-bb3d3cf928d4cc450aa817a9c71f4324ec68fd63.zip | |
vfio: vfio_pci_nvlink2: use mmgrab
Mmgrab was introduced in commit f1f1007644ff ("mm: add new mmgrab()
helper") and most of the kernel was updated to use it. Update a
remaining file.
The semantic patch that makes this change is as follows:
(http://coccinelle.lip6.fr/)
<smpl>
@@ expression e; @@
- atomic_inc(&e->mm_count);
+ mmgrab(e);
</smpl>
Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Diffstat (limited to 'drivers/vfio')
| -rw-r--r-- | drivers/vfio/pci/vfio_pci_nvlink2.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/vfio/pci/vfio_pci_nvlink2.c b/drivers/vfio/pci/vfio_pci_nvlink2.c index 3f5f8198a6bb..df4d96038cd4 100644 --- a/drivers/vfio/pci/vfio_pci_nvlink2.c +++ b/drivers/vfio/pci/vfio_pci_nvlink2.c @@ -161,7 +161,7 @@ static int vfio_pci_nvgpu_mmap(struct vfio_pci_device *vdev, data->useraddr = vma->vm_start; data->mm = current->mm; - atomic_inc(&data->mm->mm_count); + mmgrab(data->mm); ret = (int) mm_iommu_newdev(data->mm, data->useraddr, vma_pages(vma), data->gpu_hpa, &data->mem); |