ASoC: max98373: replace gpio_request with devm_gpio_request

Use devm_gpio_request() to automatic unroll when fails and avoid
resource leaks at error paths.

Signed-off-by: Yong Zhi <yong.zhi@intel.com>
Link: https://lore.kernel.org/r/1572905399-22402-1-git-send-email-yong.zhi@intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/codecs/max98373.c b/sound/soc/codecs/max98373.c
index eb709d5..cae1def 100644 (file)
--- a/sound/soc/codecs/max98373.c
+++ b/sound/soc/codecs/max98373.c
@@ -960,11 +960,11 @@ static int max98373_i2c_probe(struct i2c_client *i2c,
 
        /* Power on device */
        if (gpio_is_valid(max98373->reset_gpio)) {
-               ret = gpio_request(max98373->reset_gpio, "MAX98373_RESET");
+               ret = devm_gpio_request(&i2c->dev, max98373->reset_gpio,
+                                       "MAX98373_RESET");
                if (ret) {
                        dev_err(&i2c->dev, "%s: Failed to request gpio %d\n",
                                __func__, max98373->reset_gpio);
-                       gpio_free(max98373->reset_gpio);
                        return -EINVAL;
                }
                gpio_direction_output(max98373->reset_gpio, 0);