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[media] tda10071: fix DiSEqC message len check

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Message length check was wrong which could cause garbage sent to LNB,
but only in case garbage got from the userspace application.

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Antti Palosaari
2012-07-01 15:29:15 -03:00
committed by Mauro Carvalho Chehab
parent 36ad92e06e
commit 84431c2ae5
1 changed files with 1 additions and 1 deletions
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2
drivers/media/dvb/frontends/tda10071.c
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@@ -287,7 +287,7 @@ static int tda10071_diseqc_send_master_cmd(struct dvb_frontend *fe,
dbg("%s: msg_len=%d", __func__, diseqc_cmd->msg_len); dbg("%s: msg_len=%d", __func__, diseqc_cmd->msg_len);
if (diseqc_cmd->msg_len < 3 || diseqc_cmd->msg_len > 16) { if (diseqc_cmd->msg_len < 3 || diseqc_cmd->msg_len > 6) {
ret = -EINVAL; ret = -EINVAL;
goto error; goto error;
} }