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iio:buffer: Free active scan mask in iio_disable_all_buffers()

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Usually the active scan mask is freed in __iio_update_buffers() when the buffer
is disabled. But when the device is still sampling when it is removed we'll end
up disabling the buffers in iio_disable_all_buffers(). So we also need to free
the active scan mask here, otherwise it will be leaked.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This commit is contained in:
Lars-Peter Clausen 2013-10-15 09:38:00 +01:00 committed by Jonathan Cameron
parent 00bfacfeb4
commit e086ed7667
1 changed files with 3 additions and 0 deletions
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3
drivers/iio/industrialio-buffer.c
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@ -477,6 +477,9 @@ void iio_disable_all_buffers(struct iio_dev *indio_dev)
indio_dev->currentmode = INDIO_DIRECT_MODE;
if (indio_dev->setup_ops->postdisable)
indio_dev->setup_ops->postdisable(indio_dev);
if (indio_dev->available_scan_masks == NULL)
kfree(indio_dev->active_scan_mask);
}
int iio_update_buffers(struct iio_dev *indio_dev,