diff options
| -rw-r--r-- | drivers/iommu/iommu.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c index a9e5618cde80..9d1d917e1050 100644 --- a/drivers/iommu/iommu.c +++ b/drivers/iommu/iommu.c @@ -195,6 +195,9 @@ static int __iommu_probe_device(struct device *dev, struct list_head *group_list struct iommu_group *group; int ret; + if (!ops) + return -ENODEV; + if (!dev_iommu_get(dev)) return -ENOMEM; |