[PATCH] gpio: pca953x: initialize ret to zero to avoid returning garbage

[Colin King]

From: Colin Ian King <colin.k...@canonical.com>

ret is not initialized so it contains garbage.  Ensure garbage
is not returned in the case that pdata && pdata->teardown is false
by initializing ret to 0.

Signed-off-by: Colin Ian King <colin.k...@canonical.com>
---
 drivers/gpio/gpio-pca953x.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpio/gpio-pca953x.c b/drivers/gpio/gpio-pca953x.c
index cbe2824..52f3d5c 100644
--- a/drivers/gpio/gpio-pca953x.c
+++ b/drivers/gpio/gpio-pca953x.c
@@ -845,7 +845,7 @@ static int pca953x_remove(struct i2c_client *client)
 {
        struct pca953x_platform_data *pdata = dev_get_platdata(&client->dev);
        struct pca953x_chip *chip = i2c_get_clientdata(client);
-       int ret;
+       int ret = 0;
 
        if (pdata && pdata->teardown) {
                ret = pdata->teardown(client, chip->gpio_chip.base,
-- 
2.9.3