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Subject[PATCH 2/3] pinctrl: at91: initialize config parameter to 0
Date
When passing a not initialized config parameter, at91_pinconf_get() would return
a bogus value. Fix that by initializing it to zero before using it.

Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
---
drivers/pinctrl/pinctrl-at91.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/pinctrl/pinctrl-at91.c b/drivers/pinctrl/pinctrl-at91.c
index 6446dc804aa7..b0b78f3468ae 100644
--- a/drivers/pinctrl/pinctrl-at91.c
+++ b/drivers/pinctrl/pinctrl-at91.c
@@ -722,7 +722,8 @@ static int at91_pinconf_get(struct pinctrl_dev *pctldev,
unsigned pin;
int div;

- dev_dbg(info->dev, "%s:%d, pin_id=%d, config=0x%lx", __func__, __LINE__, pin_id, *config);
+ *config = 0;
+ dev_dbg(info->dev, "%s:%d, pin_id=%d", __func__, __LINE__, pin_id);
pio = pin_to_controller(info, pin_to_bank(pin_id));
pin = pin_id % MAX_NB_GPIO_PER_BANK;

--
1.8.3.2


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