diff options
Diffstat (limited to 'drivers')
-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 c538d272cf80..d687a14ec0a7 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 | |||
1466 | 1466 | ||
1467 | if (state->dst_type != DST_TYPE_IS_SAT) | 1467 | if (state->dst_type != DST_TYPE_IS_SAT) |
1468 | return 0; | 1468 | return 0; |
1469 | if (cmd->msg_len == 0 || cmd->msg_len > 4) | 1469 | if (cmd->msg_len > 0 && cmd->msg_len < 5) |
1470 | memcpy(&paket[3], cmd->msg, cmd->msg_len); | ||
1471 | else if (cmd->msg_len == 5 && state->dst_hw_cap & DST_TYPE_HAS_DISEQC5) | ||
1472 | memcpy(&paket[2], cmd->msg, cmd->msg_len); | ||
1473 | else | ||
1470 | return -EINVAL; | 1474 | return -EINVAL; |
1471 | memcpy(&paket[3], cmd->msg, cmd->msg_len); | ||
1472 | paket[7] = dst_check_sum(&paket[0], 7); | 1475 | paket[7] = dst_check_sum(&paket[0], 7); |
1473 | dst_command(state, paket, 8); | 1476 | dst_command(state, paket, 8); |
1474 | return 0; | 1477 | return 0; |