From 1e7eb89ba936fc1db54e247a336f3f55bdbc644d Mon Sep 17 00:00:00 2001 From: Manu Abraham Date: Mon, 27 Feb 2006 00:09:25 -0300 Subject: [PATCH] V4L/DVB (3388): Ignore DiSEqC messages > 6 and < 3 Ignore invalid messages on cx24110 frontend. Thanks to Edgar Toernig Signed-off-by: Manu Abraham Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/frontends/cx24110.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/media/dvb/frontends/cx24110.c b/drivers/media/dvb/frontends/cx24110.c index d15d32c51dc5..cc68b7e83b5e 100644 --- a/drivers/media/dvb/frontends/cx24110.c +++ b/drivers/media/dvb/frontends/cx24110.c @@ -418,6 +418,9 @@ static int cx24110_send_diseqc_msg(struct dvb_frontend* fe, struct cx24110_state *state = fe->demodulator_priv; unsigned long timeout; + if (cmd->msg_len < 3 || cmd->msg_len > 6) + return -EINVAL; /* not implemented */ + for (i = 0; i < cmd->msg_len; i++) cx24110_writereg(state, 0x79 + i, cmd->msg[i]);