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| author | Thomas Gleixner <tglx@linutronix.de> | 2011-02-10 22:37:41 +0100 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2011-02-19 12:58:20 +0100 |
| commit | bce43032ad79fae0ce5b6174ce1321e643ceb54b (patch) | |
| tree | 1a4725216ef2d008cbb6a23966785b58088ebf93 /kernel | |
| parent | a005677b3dd05decdd8880cf3044ae709856f58f (diff) | |
| download | linux-stable-bce43032ad79fae0ce5b6174ce1321e643ceb54b.tar.gz linux-stable-bce43032ad79fae0ce5b6174ce1321e643ceb54b.tar.bz2 linux-stable-bce43032ad79fae0ce5b6174ce1321e643ceb54b.zip | |
genirq: Reuse existing can set affinty check
Add a !desc check while at it.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/irq/manage.c | 4 | ||||
| -rw-r--r-- | kernel/irq/proc.c | 3 |
2 files changed, 3 insertions, 4 deletions
diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c index 84a0a9c22226..550ae97a0040 100644 --- a/kernel/irq/manage.c +++ b/kernel/irq/manage.c @@ -73,8 +73,8 @@ int irq_can_set_affinity(unsigned int irq) { struct irq_desc *desc = irq_to_desc(irq); - if (!irqd_can_balance(&desc->irq_data) || !desc->irq_data.chip || - !desc->irq_data.chip->irq_set_affinity) + if (!desc || !irqd_can_balance(&desc->irq_data) || + !desc->irq_data.chip || !desc->irq_data.chip->irq_set_affinity) return 0; return 1; diff --git a/kernel/irq/proc.c b/kernel/irq/proc.c index afe4e6803148..4cc2e5ed0bec 100644 --- a/kernel/irq/proc.c +++ b/kernel/irq/proc.c @@ -66,8 +66,7 @@ static ssize_t irq_affinity_proc_write(struct file *file, cpumask_var_t new_value; int err; - if (!irq_to_desc(irq)->irq_data.chip->irq_set_affinity || no_irq_affinity || - irq_balancing_disabled(irq)) + if (!irq_can_set_affinity(irq) || no_irq_affinity) return -EIO; if (!alloc_cpumask_var(&new_value, GFP_KERNEL)) |