wm831x_power: Fix off-by-one at free_irq()

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@sslab.ics.keio.ac.jp>
Acked-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>

1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/power/wm831x_power.c b/drivers/power/wm831x_power.c
index 0161bdabd5a3..db11ae6599f3 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);