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mfd: Proper pcf50633 irq check

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"pcf->irq_handler" has PCF50633_NUM_IRQ elements.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
This commit is contained in:
Dan Carpenter 2010-03-28 14:28:08 +03:00 • committed by Samuel Ortiz
parent 2a0cb35100
commit 165bce9783
1 changed files with 2 additions and 2 deletions
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4
drivers/mfd/pcf50633-core.c
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@ -218,7 +218,7 @@ static struct attribute_group pcf_attr_group = {
int pcf50633_register_irq(struct pcf50633 *pcf, int irq, int pcf50633_register_irq(struct pcf50633 *pcf, int irq,
void (*handler) (int, void *), void *data) void (*handler) (int, void *), void *data)
{ {
if (irq < 0 || irq > PCF50633_NUM_IRQ || !handler) if (irq < 0 || irq >= PCF50633_NUM_IRQ || !handler)
return -EINVAL; return -EINVAL;
if (WARN_ON(pcf->irq_handler[irq].handler)) if (WARN_ON(pcf->irq_handler[irq].handler))
@ -235,7 +235,7 @@ EXPORT_SYMBOL_GPL(pcf50633_register_irq);
int pcf50633_free_irq(struct pcf50633 *pcf, int irq) int pcf50633_free_irq(struct pcf50633 *pcf, int irq)
{ {
if (irq < 0 || irq > PCF50633_NUM_IRQ) if (irq < 0 || irq >= PCF50633_NUM_IRQ)
return -EINVAL; return -EINVAL;
mutex_lock(&pcf->lock); mutex_lock(&pcf->lock);