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-rw-r--r--drivers/pci/intr_remapping.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/pci/intr_remapping.c b/drivers/pci/intr_remapping.c
index fd1d286..87ec390 100644
--- a/drivers/pci/intr_remapping.c
+++ b/drivers/pci/intr_remapping.c
@@ -95,6 +95,15 @@ static struct irq_2_iommu *irq_2_iommu_alloc(unsigned int irq)
return desc->irq_2_iommu;
}
+static void irq_2_iommu_free(unsigned int irq)
+{
+ struct irq_data *d = irq_get_irq_data(irq);
+ struct irq_2_iommu *p = d->irq_2_iommu;
+
+ d->irq_2_iommu = NULL;
+ kfree(p);
+}
+
#else /* !CONFIG_SPARSE_IRQ */
static struct irq_2_iommu irq_2_iommuX[NR_IRQS];
@@ -110,6 +119,9 @@ static struct irq_2_iommu *irq_2_iommu_alloc(unsigned int irq)
{
return irq_2_iommu(irq);
}
+
+static void irq_2_iommu_free(unsigned int irq) { }
+
#endif
static DEFINE_SPINLOCK(irq_2_ir_lock);
@@ -440,6 +452,8 @@ int free_irte(int irq)
spin_unlock_irqrestore(&irq_2_ir_lock, flags);
+ irq_2_iommu_free(irq);
+
return rc;
}