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-rw-r--r--arch/ia64/sn/kernel/irq.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/arch/ia64/sn/kernel/irq.c b/arch/ia64/sn/kernel/irq.c
index bfa43e4c7ef..36004738944 100644
--- a/arch/ia64/sn/kernel/irq.c
+++ b/arch/ia64/sn/kernel/irq.c
@@ -405,7 +405,10 @@ sn_call_force_intr_provider(struct sn_irq_info *sn_irq_info)
struct sn_pcibus_provider *pci_provider;
pci_provider = sn_pci_provider[sn_irq_info->irq_bridge_type];
- if (pci_provider && pci_provider->force_interrupt)
+
+ /* Don't force an interrupt if the irq has been disabled */
+ if (!(irq_desc[sn_irq_info->irq_irq].status & IRQ_DISABLED) &&
+ pci_provider && pci_provider->force_interrupt)
(*pci_provider->force_interrupt)(sn_irq_info);
}