iommu/amd: No need to wait iommu completion if no dte irq entry change

[mirror_ubuntu-artful-kernel.git] / drivers / iommu / amd_iommu.c

diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c
index b5b117b44026b39ccaf858fb9866343968f7c919..a2479d0df292e3ef72e4165b69028ee2310890cc 100644 (file)
--- a/drivers/iommu/amd_iommu.c
+++ b/drivers/iommu/amd_iommu.c
@@ -3634,7 +3634,7 @@ 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];
@@ -3648,7 +3648,7 @@ 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);
@@ -3661,7 +3661,7 @@ static struct irq_remap_table *get_irq_table(u16 devid, bool ioapic)
        if (!table->table) {
                kfree(table);
                table = NULL;
-               goto out;
+               goto out_unlock;
        }
 
        if (!AMD_IOMMU_GUEST_IR_GA(amd_iommu_guest_ir))