Using "goto" and "switch" statement only makes it harder to follow
control flow and doesn't bring any advantages. Rewrite the code to avoid
using "goto".
Signed-off-by: NBrian Norris <computersforpeace@gmail.com>
Signed-off-by: NAndrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: NBoris Brezillon <boris.brezillon@free-electrons.com>