From: Joerg Roedel <[email protected]>

This is a preparation for converting the state_table into a
state_list.

Signed-off-by: Joerg Roedel <[email protected]>
Tested-by: Jay Cornwall <[email protected]>
---
 drivers/iommu/amd_iommu_v2.c |   13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

diff --git a/drivers/iommu/amd_iommu_v2.c b/drivers/iommu/amd_iommu_v2.c
index 5208828..8c3086a 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);
@@ -839,7 +844,7 @@ 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;
@@ -872,7 +877,7 @@ 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;
 
@@ -903,7 +908,7 @@ 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;
 
-- 
1.7.9.5


--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Reply via email to