diff options
| -rw-r--r-- | drivers/media/dvb/bt8xx/dst.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/media/dvb/bt8xx/dst.c b/drivers/media/dvb/bt8xx/dst.c index c538d272cf802..d687a14ec0a7a 100644 --- a/drivers/media/dvb/bt8xx/dst.c +++ b/drivers/media/dvb/bt8xx/dst.c @@ -1466,9 +1466,12 @@ static int dst_set_diseqc(struct dvb_frontend *fe, struct dvb_diseqc_master_cmd if (state->dst_type != DST_TYPE_IS_SAT) return 0; - if (cmd->msg_len == 0 || cmd->msg_len > 4) + if (cmd->msg_len > 0 && cmd->msg_len < 5) + memcpy(&paket[3], cmd->msg, cmd->msg_len); + else if (cmd->msg_len == 5 && state->dst_hw_cap & DST_TYPE_HAS_DISEQC5) + memcpy(&paket[2], cmd->msg, cmd->msg_len); + else return -EINVAL; - memcpy(&paket[3], cmd->msg, cmd->msg_len); paket[7] = dst_check_sum(&paket[0], 7); dst_command(state, paket, 8); return 0; |