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-rw-r--r--kernel/irq/manage.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c
index cc1cc641d653..ef0bc02c3a70 100644
--- a/kernel/irq/manage.c
+++ b/kernel/irq/manage.c
@@ -1407,7 +1407,7 @@ int setup_irq(unsigned int irq, struct irqaction *act)
int retval;
struct irq_desc *desc = irq_to_desc(irq);
- if (WARN_ON(irq_settings_is_per_cpu_devid(desc)))
+ if (!desc || WARN_ON(irq_settings_is_per_cpu_devid(desc)))
return -EINVAL;
chip_bus_lock(desc);
retval = __setup_irq(irq, desc, act);