Using the common kernel pattern to bail out at the beginning if some
conditions are not met, we can save a level of indentation. No
functional change.
Signed-off-by: NWolfram Sang <wsa+renesas@sang-engineering.com>
Acked-by: NPeter Rosin <peda@axentia.se>
Signed-off-by: NWolfram Sang <wsa@the-dreams.de>