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gpio: pca953x: initialize ret to zero to avoid returning garbage 

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.king@canonical.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Colin Ian King 2016-09-09 09:31:54 +01:00 committed by Linus Walleij
parent 6d125412fc
commit 313b9a9938
1 changed files with 1 additions and 1 deletions
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2
drivers/gpio/gpio-pca953x.c
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@ -848,7 +848,7 @@ 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,