[RESEND PATCH 2/2] io:core: In iio_map_array_register() cleanup in case of error

From: Lino Sanfilippo
Date: Sat Nov 28 2020 - 17:14:59 EST


In function iio_map_array_register() properly rewind in case of error.

Signed-off-by: Lino Sanfilippo <LinoSanfilippo@xxxxxx>
Reviewed-by: Andy Shevchenko <andy.shevchenko@xxxxxxxxx>
---
drivers/iio/inkern.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/drivers/iio/inkern.c b/drivers/iio/inkern.c
index 39c1d63..fe30bcb 100644
--- a/drivers/iio/inkern.c
+++ b/drivers/iio/inkern.c
@@ -60,6 +60,8 @@ int iio_map_array_register(struct iio_dev *indio_dev, struct iio_map *maps)
i++;
}
error_ret:
+ if (ret)
+ iio_map_array_unregister_locked(indio_dev);
mutex_unlock(&iio_map_list_lock);

return ret;
--
2.7.4