extcon: ptn5150: Fix return value check in ptn5150_i2c_probe()
authorWei Yongjun <weiyongjun1@huawei.com>
Fri, 25 Jan 2019 01:45:54 +0000 (01:45 +0000)
committerChanwoo Choi <cw00.choi@samsung.com>
Mon, 11 Feb 2019 08:21:38 +0000 (17:21 +0900)
In case of error, the function devm_gpiod_get() returns ERR_PTR() and
never returns NULL. The NULL test in the return value check should be
replaced with IS_ERR().

Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
drivers/extcon/extcon-ptn5150.c

index 18a8f258767bb38feca29c6cc7a177dd0920e67a..d1c997599390acff66680a41ef46b14d4264e884 100644 (file)
@@ -240,14 +240,14 @@ static int ptn5150_i2c_probe(struct i2c_client *i2c,
        info->dev = &i2c->dev;
        info->i2c = i2c;
        info->int_gpiod = devm_gpiod_get(&i2c->dev, "int", GPIOD_IN);
-       if (!info->int_gpiod) {
+       if (IS_ERR(info->int_gpiod)) {
                dev_err(dev, "failed to get INT GPIO\n");
-               return -EINVAL;
+               return PTR_ERR(info->int_gpiod);
        }
        info->vbus_gpiod = devm_gpiod_get(&i2c->dev, "vbus", GPIOD_IN);
-       if (!info->vbus_gpiod) {
+       if (IS_ERR(info->vbus_gpiod)) {
                dev_err(dev, "failed to get VBUS GPIO\n");
-               return -EINVAL;
+               return PTR_ERR(info->vbus_gpiod);
        }
        ret = gpiod_direction_output(info->vbus_gpiod, 0);
        if (ret) {