Commit b9f62ffe authored Nov 05, 2014 by Mauro Carvalho Chehab

[media] stb0899: don't go past DiSEqC msg buffer



As reported by spatch:
	drivers/media/dvb-frontends/stb0899_drv.c:720 stb0899_send_diseqc_msg() error: buffer overflow 'cmd->msg' 6 <= 7

The buffer size is 6 and not 8. Anyway, the best is to use sizeof(),
to avoid such mistakes.

Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>

parent fb9b1641

drivers/media/dvb-frontends/stb0899_drv.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -705,7 +705,7 @@ static int stb0899_send_diseqc_msg(struct dvb_frontend *fe, struct dvb_diseqc_ma
		struct stb0899_state *state = fe->demodulator_priv;
		u8 reg, i;

		if (cmd->msg_len > 8)
		if (cmd->msg_len > sizeof(cmd->msg))
		return -EINVAL;

		/* enable FIFO precharge */