diff options
Diffstat (limited to 'kernel/irq/irqdesc.c')
| -rw-r--r-- | kernel/irq/irqdesc.c | 34 |
1 files changed, 17 insertions, 17 deletions
diff --git a/kernel/irq/irqdesc.c b/kernel/irq/irqdesc.c index 4bcc6ff81e39..5b3aee255ec5 100644 --- a/kernel/irq/irqdesc.c +++ b/kernel/irq/irqdesc.c @@ -896,27 +896,27 @@ unsigned int irq_get_next_irq(unsigned int offset) return irq_find_at_or_after(offset); } -struct irq_desc * -__irq_get_desc_lock(unsigned int irq, unsigned long *flags, bool bus, - unsigned int check) +struct irq_desc *__irq_get_desc_lock(unsigned int irq, unsigned long *flags, bool bus, + unsigned int check) { - struct irq_desc *desc = irq_to_desc(irq); + struct irq_desc *desc; - if (desc) { - if (check & _IRQ_DESC_CHECK) { - if ((check & _IRQ_DESC_PERCPU) && - !irq_settings_is_per_cpu_devid(desc)) - return NULL; - - if (!(check & _IRQ_DESC_PERCPU) && - irq_settings_is_per_cpu_devid(desc)) - return NULL; - } + desc = irq_to_desc(irq); + if (!desc) + return NULL; + + if (check & _IRQ_DESC_CHECK) { + if ((check & _IRQ_DESC_PERCPU) && !irq_settings_is_per_cpu_devid(desc)) + return NULL; - if (bus) - chip_bus_lock(desc); - raw_spin_lock_irqsave(&desc->lock, *flags); + if (!(check & _IRQ_DESC_PERCPU) && irq_settings_is_per_cpu_devid(desc)) + return NULL; } + + if (bus) + chip_bus_lock(desc); + raw_spin_lock_irqsave(&desc->lock, *flags); + return desc; } |