Staging: iio: release locks on error paths

There are a couple places here where we should have called
mutex_unlock() before returning.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Acked-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
1 file changed