diff options
Diffstat (limited to 'kernel/irq/proc.c')
| -rw-r--r-- | kernel/irq/proc.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/kernel/irq/proc.c b/kernel/irq/proc.c index a2c02fd5d6d0..b05509af0352 100644 --- a/kernel/irq/proc.c +++ b/kernel/irq/proc.c @@ -96,7 +96,7 @@ static ssize_t write_irq_affinity(int type, struct file *file, cpumask_var_t new_value; int err; - if (!irq_can_set_affinity(irq) || no_irq_affinity) + if (!irq_can_set_affinity_usr(irq) || no_irq_affinity) return -EIO; if (!alloc_cpumask_var(&new_value, GFP_KERNEL)) @@ -114,6 +114,11 @@ static ssize_t write_irq_affinity(int type, struct file *file, goto free_cpumask; } + if (cpumask_subset(new_value, cpu_isolated_mask)) { + err = -EINVAL; + goto free_cpumask; + } + /* * Do not allow disabling IRQs completely - it's a too easy * way to make the system unusable accidentally :-) At least |