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author | David S. Miller <davem@davemloft.net> | 2017-01-28 10:33:06 -0500 |
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committer | David S. Miller <davem@davemloft.net> | 2017-01-28 10:33:06 -0500 |
commit | 4e8f2fc1a55d543717efb70e170b09e773d0542b (patch) | |
tree | 30df1d7fc9dfa24fe2916711a17656682c3f7ec9 /drivers/vfio/vfio_iommu_spapr_tce.c | |
parent | 158f323b9868b59967ad96957c4ca388161be321 (diff) | |
parent | 1b1bc42c1692e9b62756323c675a44cb1a1f9dbd (diff) | |
download | linux-4e8f2fc1a55d543717efb70e170b09e773d0542b.tar.bz2 |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Two trivial overlapping changes conflicts in MPLS and mlx5.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/vfio/vfio_iommu_spapr_tce.c')
-rw-r--r-- | drivers/vfio/vfio_iommu_spapr_tce.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/vfio/vfio_iommu_spapr_tce.c b/drivers/vfio/vfio_iommu_spapr_tce.c index c8823578a1b2..128d10282d16 100644 --- a/drivers/vfio/vfio_iommu_spapr_tce.c +++ b/drivers/vfio/vfio_iommu_spapr_tce.c @@ -1270,6 +1270,10 @@ static int tce_iommu_attach_group(void *iommu_data, /* pr_debug("tce_vfio: Attaching group #%u to iommu %p\n", iommu_group_id(iommu_group), iommu_group); */ table_group = iommu_group_get_iommudata(iommu_group); + if (!table_group) { + ret = -ENODEV; + goto unlock_exit; + } if (tce_groups_attached(container) && (!table_group->ops || !table_group->ops->take_ownership || |