This was introduced in commit 3d0f0fa0cb554541e10cb8cb84104e4b10828468: bounds checking is performed against period[32] while indexing delay[4]. Spotted by Coverity, CID 1376. Signed-off-by: Florin Malita <fmalita@gmail.com> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>