diff options
Diffstat (limited to 'kernel/irq/proc.c')
| -rw-r--r-- | kernel/irq/proc.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/kernel/irq/proc.c b/kernel/irq/proc.c index 9a352667007..61f5c717a8f 100644 --- a/kernel/irq/proc.c +++ b/kernel/irq/proc.c @@ -54,7 +54,8 @@ static int irq_affinity_write_proc(struct file *file, const char __user *buffer, unsigned int irq = (int)(long)data, full_count = count, err; cpumask_t new_value, tmp; - if (!irq_desc[irq].chip->set_affinity || no_irq_affinity) + if (!irq_desc[irq].chip->set_affinity || no_irq_affinity || + CHECK_IRQ_PER_CPU(irq_desc[irq].status)) return -EIO; err = cpumask_parse_user(buffer, count, new_value); |