The variable txlen was used instead of rxlen in boundary check.
(copy-paste error)
Signed-off-by: NFelipe Pena <felipensp@gmail.com>
Signed-off-by: NMichael Krufky <mkrufky@linuxtv.org>
Signed-off-by: NMauro Carvalho Chehab <m.chehab@samsung.com>