[PATCH] regulator: slg51000: Fix a couple NULL vs IS_ERR() checks

[Dan Carpenter]

The devm_gpiod_get_from_of_node() function never returns NULL, it
returns error pointers on error.

Fixes: a867bde3dd03 ("regulator: slg51000: add slg51000 regulator driver")
Signed-off-by: Dan Carpenter <dan.carpen...@oracle.com>
---
 drivers/regulator/slg51000-regulator.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/regulator/slg51000-regulator.c 
b/drivers/regulator/slg51000-regulator.c
index 04b732991d69..4d859fef55e6 100644
--- a/drivers/regulator/slg51000-regulator.c
+++ b/drivers/regulator/slg51000-regulator.c
@@ -205,7 +205,7 @@ static int slg51000_of_parse_cb(struct device_node *np,
        ena_gpiod = devm_gpiod_get_from_of_node(chip->dev, np,
                                                "enable-gpios", 0,
                                                gflags, "gpio-en-ldo");
-       if (ena_gpiod) {
+       if (!IS_ERR(ena_gpiod)) {
                config->ena_gpiod = ena_gpiod;
                devm_gpiod_unhinge(chip->dev, config->ena_gpiod);
        }
@@ -459,7 +459,7 @@ static int slg51000_i2c_probe(struct i2c_client *client,
                                               GPIOD_OUT_HIGH
                                               | GPIOD_FLAGS_BIT_NONEXCLUSIVE,
                                               "slg51000-cs");
-       if (cs_gpiod) {
+       if (!IS_ERR(cs_gpiod)) {
                dev_info(dev, "Found chip selector property\n");
                chip->cs_gpiod = cs_gpiod;
        }
-- 
2.20.1