commit 165bce9783ab307368e56b7c1a168520a3791266
author Dan Carpenter <error27@gmail.com> Sun Mar 28 14:28:08 2010 +0300
committer Samuel Ortiz <sameo@linux.intel.com> Fri May 28 01:37:32 2010 +0200
tree f199c3c7177606814b968bd45bfa751ef72bce51
parent 2a0cb351001bebf195d3c43d0f70441eb6a62652

mfd: Proper pcf50633 irq check

"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>

drivers/mfd/pcf50633-core.c

diff --git a/drivers/mfd/pcf50633-core.c b/drivers/mfd/pcf50633-core.c
index 710e417..5439282 100644
--- a/drivers/mfd/pcf50633-core.c
+++ b/drivers/mfd/pcf50633-core.c
@@ -218,7 +218,7 @@
 int pcf50633_register_irq(struct pcf50633 *pcf, int irq,
 			void (*handler) (int, void *), void *data)
 {
-	if (irq < 0 || irq > PCF50633_NUM_IRQ || !handler)
+	if (irq < 0 || irq >= PCF50633_NUM_IRQ || !handler)
 		return -EINVAL;
 
 	if (WARN_ON(pcf->irq_handler[irq].handler))
@@ -235,7 +235,7 @@
 
 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;
 
 	mutex_lock(&pcf->lock);