From: Jonathan Cameron <jic23@kernel.org>
To: Chuhong Yuan <hslester96@gmail.com>
Cc: Hartmut Knaack <knaack.h@gmx.de>,
Lars-Peter Clausen <lars@metafoo.de>,
Peter Meerwald-Stadler <pmeerw@pmeerw.net>,
Bijosh Thykkoottathil <bijosh.t@hotmail.com>,
Martin Kepplinger <martink@posteo.de>,
linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2] iio: mma8452: Add missed iio_device_unregister() call in mma8452_probe()
Date: Sun, 31 May 2020 12:19:52 +0100 [thread overview]
Message-ID: <20200531121952.100b5e87@archlinux> (raw)
In-Reply-To: <20200528064121.547001-1-hslester96@gmail.com>
On Thu, 28 May 2020 14:41:21 +0800
Chuhong Yuan <hslester96@gmail.com> wrote:
> The function iio_device_register() was called in mma8452_probe().
> But the function iio_device_unregister() was not called after
> a call of the function mma8452_set_freefall_mode() failed.
> Thus add the missed function call for one error case.
>
> Fixes: 1a965d405fc6 ("drivers:iio:accel:mma8452: added cleanup provision in case of failure.")
> Signed-off-by: Chuhong Yuan <hslester96@gmail.com>
Applied to the fixes-togreg branch of iio.git
> ---
> Changes in v2:
> - Add fixes tag.
> - Modify description.
>
> drivers/iio/accel/mma8452.c | 5 ++++-
> 1 file changed, 4 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/iio/accel/mma8452.c b/drivers/iio/accel/mma8452.c
> index 00e100fc845a..813bca7cfc3e 100644
> --- a/drivers/iio/accel/mma8452.c
> +++ b/drivers/iio/accel/mma8452.c
> @@ -1685,10 +1685,13 @@ static int mma8452_probe(struct i2c_client *client,
>
> ret = mma8452_set_freefall_mode(data, false);
> if (ret < 0)
> - goto buffer_cleanup;
> + goto unregister_device;
>
> return 0;
>
> +unregister_device:
> + iio_device_unregister(indio_dev);
> +
> buffer_cleanup:
> iio_triggered_buffer_cleanup(indio_dev);
>
prev parent reply other threads:[~2020-05-31 11:19 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-28 6:41 [PATCH v2] iio: mma8452: Add missed iio_device_unregister() call in mma8452_probe() Chuhong Yuan
2020-05-31 11:19 ` Jonathan Cameron [this message]
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