This is a clean up. In get_irq_table() only if DTE entry is changed
iommu_completion_wait() need be called. Otherwise no need to do it.
Signed-off-by: Baoquan He <b...@redhat.com>
---
drivers/iommu/amd_iommu.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c
index 0880500..dda703b 100644
--- a/drivers/iommu/amd_iommu.c
+++ b/drivers/iommu/amd_iommu.c
@@ -3674,7 +3674,7 @@ static struct irq_remap_table *get_irq_table(u16 devid,
bool ioapic)
table = irq_lookup_table[devid];
if (table)
- goto out;
+ goto out_unlock;
alias = amd_iommu_alias_table[devid];
table = irq_lookup_table[alias];
@@ -3688,7 +3688,7 @@ static struct irq_remap_table *get_irq_table(u16 devid,
bool ioapic)
/* Nothing there yet, allocate new irq remapping table */
table = kzalloc(sizeof(*table), GFP_ATOMIC);
if (!table)
- goto out;
+ goto out_unlock;
/* Initialize table spin-lock */
spin_lock_init(&table->lock);
@@ -3701,7 +3701,7 @@ static struct irq_remap_table *get_irq_table(u16 devid,
bool ioapic)
if (!table->table) {
kfree(table);
table = NULL;
- goto out;
+ goto out_unlock;
}
memset(table->table, 0, MAX_IRQS_PER_TABLE * sizeof(u32));
--
2.1.0
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