Use the new cleanup magic for handling mutexes in IIO. This allows us to
greatly simplify some code paths.
Signed-off-by: Nuno Sa <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20240229-iio-use-cleanup-magic-v3-3-c3d34889ae3c@analog.comSigned-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>