[PATCH 1/1] wm831x_power: Fix off-by-one at free_irq()

From: Takeshi Yoshimura
Date: Sun Jun 14 2015 - 07:58:48 EST


An error handling in wm831x_power_probe() mistakenly frees a failed-to-
request irq as well as other irqs. I added missing decrement of the loop
counter.

Signed-off-by: Takeshi Yoshimura <yos@xxxxxxxxxxxxxxxxxxxx>
---
drivers/power/wm831x_power.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/drivers/power/wm831x_power.c b/drivers/power/wm831x_power.c
index 0161bda..db11ae6 100644
--- a/drivers/power/wm831x_power.c
+++ b/drivers/power/wm831x_power.c
@@ -609,6 +609,7 @@ static int wm831x_power_probe(struct platform_device *pdev)
return ret;

err_bat_irq:
+ --i;
for (; i >= 0; i--) {
irq = platform_get_irq_byname(pdev, wm831x_bat_irqs[i]);
free_irq(irq, power);
--
1.9.1

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