Correct the initialization values at the start of the function
and use proper variable sizes to prevent overflow.
Signed-off-by: NBenjamin Larsson <benjamin@southpole.se>
Signed-off-by: NMichael Krufky <mkrufky@linuxtv.org>
Signed-off-by: NMauro Carvalho Chehab <m.chehab@samsung.com>