diff options
Diffstat (limited to 'drivers/iommu')
| -rw-r--r-- | drivers/iommu/amd_iommu_v2.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/drivers/iommu/amd_iommu_v2.c b/drivers/iommu/amd_iommu_v2.c index 203b2e6..5db3675 100644 --- a/drivers/iommu/amd_iommu_v2.c +++ b/drivers/iommu/amd_iommu_v2.c @@ -111,13 +111,18 @@ static u16 device_id(struct pci_dev *pdev) return devid; } +static struct device_state *__get_device_state(u16 devid) +{ + return state_table[devid]; +} + static struct device_state *get_device_state(u16 devid) { struct device_state *dev_state; unsigned long flags; spin_lock_irqsave(&state_lock, flags); - dev_state = state_table[devid]; + dev_state = __get_device_state(devid); if (dev_state != NULL) atomic_inc(&dev_state->count); spin_unlock_irqrestore(&state_lock, flags); @@ -841,7 +846,7 @@ void amd_iommu_free_device(struct pci_dev *pdev) spin_lock_irqsave(&state_lock, flags); - dev_state = state_table[devid]; + dev_state = __get_device_state(devid); if (dev_state == NULL) { spin_unlock_irqrestore(&state_lock, flags); return; @@ -874,7 +879,7 @@ int amd_iommu_set_invalid_ppr_cb(struct pci_dev *pdev, spin_lock_irqsave(&state_lock, flags); ret = -EINVAL; - dev_state = state_table[devid]; + dev_state = __get_device_state(devid); if (dev_state == NULL) goto out_unlock; @@ -905,7 +910,7 @@ int amd_iommu_set_invalidate_ctx_cb(struct pci_dev *pdev, spin_lock_irqsave(&state_lock, flags); ret = -EINVAL; - dev_state = state_table[devid]; + dev_state = __get_device_state(devid); if (dev_state == NULL) goto out_unlock; |
