Provide a check in all the kfifo examples to validate the correct
execution of each testcase.
Signed-off-by: NAndrea Righi <arighi@develer.com>
Acked-by: NStefani Seibold <stefani@seibold.net>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>