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From: Jonathan Cameron on 22 Mar 2010 08:40
On 03/20/10 14:13, Wolfram Sang wrote:
> Fix I2C-drivers which missed setting clientdata to NULL before freeing the
> structure it points to. Also fix drivers which do this _after_ the structure
> was freed already.
>
> Signed-off-by: Wolfram Sang <w.sang(a)pengutronix.de>
> Cc: Greg Kroah-Hartman <gregkh(a)suse.de>

Acked-by: Jonathan Cameron <jic23(a)cam.ac.uk>

Thanks for this one as well!
> ---
>
> Found using coccinelle, then reviewed. Full patchset is available via
> kernel-janitors, linux-i2c, and LKML.
> ---
> drivers/staging/iio/light/tsl2563.c | 2 ++
> 1 files changed, 2 insertions(+), 0 deletions(-)
>
> diff --git a/drivers/staging/iio/light/tsl2563.c b/drivers/staging/iio/light/tsl2563.c
> index 78b9432..286559d 100644
> --- a/drivers/staging/iio/light/tsl2563.c
> +++ b/drivers/staging/iio/light/tsl2563.c
> @@ -681,6 +681,7 @@ static int __devinit tsl2563_probe(struct i2c_client *client,
> fail2:
> iio_device_unregister(chip->indio_dev);
> fail1:
> + i2c_set_clientdata(client, NULL);
> kfree(chip);
> return err;
> }
> @@ -691,6 +692,7 @@ static int tsl2563_remove(struct i2c_client *client)
>
> iio_device_unregister(chip->indio_dev);
>
> + i2c_set_clientdata(client, NULL);
> kfree(chip);
> return 0;
> }

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