hwmon: (iio_hwmon) Fix missing iio_channel_release_all call if devm_kzalloc fail

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>

1 files changed, 4 insertions, 2 deletions

diff --git a/drivers/hwmon/iio_hwmon.c b/drivers/hwmon/iio_hwmon.c
index aafa4531b961..368497fa2627 100644
--- a/drivers/hwmon/iio_hwmon.c
+++ b/drivers/hwmon/iio_hwmon.c
@@ -84,8 +84,10 @@ static int iio_hwmon_probe(struct platform_device *pdev)
                 return PTR_ERR(channels);
 
         st = devm_kzalloc(dev, sizeof(*st), GFP_KERNEL);
-        if (st == NULL)
-                return -ENOMEM;
+        if (st == NULL) {
+                ret = -ENOMEM;
+                goto error_release_channels;
+        }
 
         st->channels = channels;