hwmon: (ina3221) return prober error code

[ Upstream commit c93f5e2ab53243b17febabb9422a697017d3d49a ]

ret is set to 0 which do not indicate an error.
Return -EINVAL instead.

Fixes: a9e9dd9c6de5 ("hwmon: (ina3221) Read channel input source info from DT")
Signed-off-by: Marcus Folkesson <marcus.folkesson@gmail.com>
Link: https://lore.kernel.org/r/20230310075035.246083-1-marcus.folkesson@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/hwmon/ina3221.c b/drivers/hwmon/ina3221.c
index e061869..f3a4c56 100644 (file)
--- a/drivers/hwmon/ina3221.c
+++ b/drivers/hwmon/ina3221.c
@@ -772,7 +772,7 @@ static int ina3221_probe_child_from_dt(struct device *dev,
                return ret;
        } else if (val > INA3221_CHANNEL3) {
                dev_err(dev, "invalid reg %d of %pOFn\n", val, child);
-               return ret;
+               return -EINVAL;
        }
 
        input = &ina->inputs[val];