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powerpc/MSI: Fix race condition in tearing down MSI interrupts
[pandora-kernel.git]
/
arch
/
powerpc
/
sysdev
/
mpic_u3msi.c
diff --git
a/arch/powerpc/sysdev/mpic_u3msi.c
b/arch/powerpc/sysdev/mpic_u3msi.c
index
9a7aa0e
..
dfc3486
100644
(file)
--- a/
arch/powerpc/sysdev/mpic_u3msi.c
+++ b/
arch/powerpc/sysdev/mpic_u3msi.c
@@
-124,15
+124,16
@@
static int u3msi_msi_check_device(struct pci_dev *pdev, int nvec, int type)
static void u3msi_teardown_msi_irqs(struct pci_dev *pdev)
{
struct msi_desc *entry;
static void u3msi_teardown_msi_irqs(struct pci_dev *pdev)
{
struct msi_desc *entry;
+ irq_hw_number_t hwirq;
list_for_each_entry(entry, &pdev->msi_list, list) {
if (entry->irq == NO_IRQ)
continue;
list_for_each_entry(entry, &pdev->msi_list, list) {
if (entry->irq == NO_IRQ)
continue;
+ hwirq = virq_to_hw(entry->irq);
irq_set_msi_desc(entry->irq, NULL);
irq_set_msi_desc(entry->irq, NULL);
- msi_bitmap_free_hwirqs(&msi_mpic->msi_bitmap,
- virq_to_hw(entry->irq), 1);
irq_dispose_mapping(entry->irq);
irq_dispose_mapping(entry->irq);
+ msi_bitmap_free_hwirqs(&msi_mpic->msi_bitmap, hwirq, 1);
}
return;
}
return;