linux-kernel - [PATCH 2/2] iio:core: In iio_map_array_register() cleanup in case of error.

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Message-Id: <1602983516-22913-3-git-send-email-LinoSanfilippo@gmx.de>
Date:   Sun, 18 Oct 2020 03:11:56 +0200
From:   Lino Sanfilippo <LinoSanfilippo@....de>
To:     andy.shevchenko@...il.com
Cc:     jic23@...nel.org, knaack.h@....de, lars@...afoo.de,
        pmeerw@...erw.net, linux-iio@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Lino Sanfilippo <LinoSanfilippo@....de>
Subject: [PATCH 2/2] iio:core: In iio_map_array_register() cleanup in case of error.

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

Signed-off-by: Lino Sanfilippo <LinoSanfilippo@....de>
---
 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