diff options
| -rw-r--r-- | kernel/irq/manage.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c index a06b9b6d6b5..47b2bf10afb 100644 --- a/kernel/irq/manage.c +++ b/kernel/irq/manage.c @@ -957,9 +957,14 @@ out_thread: */ int setup_irq(unsigned int irq, struct irqaction *act) { + int retval; struct irq_desc *desc = irq_to_desc(irq); - return __setup_irq(irq, desc, act); + chip_bus_lock(desc); + retval = __setup_irq(irq, desc, act); + chip_bus_sync_unlock(desc); + + return retval; } EXPORT_SYMBOL_GPL(setup_irq); |