leds: lm3692x: Don't overwrite return value in error path
authorGuido Günther <agx@sigxcpu.org>
Sat, 21 Sep 2019 21:12:09 +0000 (14:12 -0700)
committerPavel <pavel@ucw.cz>
Sun, 3 Nov 2019 16:37:46 +0000 (17:37 +0100)
The driver currently reports successful initialization on every failure
as long as it's able to power off the regulator. Don't check the return
value of regulator_disable to avoid that.

Signed-off-by: Guido Günther <agx@sigxcpu.org>
Acked-by: Pavel Machek <pavel@ucw.cz>
Reviewed-by: Dan Murphy <dmurphy@ti.com>
Signed-off-by: Pavel Machek <pavel@ucw.cz>
drivers/leds/leds-lm3692x.c

index 487228c..ad76e34 100644 (file)
@@ -198,7 +198,7 @@ out:
 static int lm3692x_init(struct lm3692x_led *led)
 {
        int enable_state;
-       int ret;
+       int ret, reg_ret;
 
        if (led->regulator) {
                ret = regulator_enable(led->regulator);
@@ -313,14 +313,15 @@ out:
                gpiod_direction_output(led->enable_gpio, 0);
 
        if (led->regulator) {
-               ret = regulator_disable(led->regulator);
-               if (ret)
+               reg_ret = regulator_disable(led->regulator);
+               if (reg_ret)
                        dev_err(&led->client->dev,
-                               "Failed to disable regulator\n");
+                               "Failed to disable regulator: %d\n", reg_ret);
        }
 
        return ret;
 }
+
 static int lm3692x_probe_dt(struct lm3692x_led *led)
 {
        struct fwnode_handle *child = NULL;