As new FEC types were added, we need a check to avoid overflows: drivers/media/dvb-frontends/cx22700.c:172 cx22700_set_tps() error: buffer overflow 'fec_tab' 6 <= 6 drivers/media/dvb-frontends/cx22700.c:173 cx22700_set_tps() error: buffer overflow 'fec_tab' 6 <= 6 Signed-off-by: Mauro Carvalho Chehab <mchehab@xxxxxxxxxxxxxxx> diff --git a/drivers/media/dvb-frontends/cx22700.c b/drivers/media/dvb-frontends/cx22700.c index 3d399d9a6343..86563260d0f2 100644 --- a/drivers/media/dvb-frontends/cx22700.c +++ b/drivers/media/dvb-frontends/cx22700.c @@ -169,6 +169,9 @@ static int cx22700_set_tps(struct cx22700_state *state, cx22700_writereg (state, 0x04, val); + if (p->code_rate_HP - FEC_1_2 >= sizeof(fec_tab) || + p->code_rate_LP - FEC_1_2 >= sizeof(fec_tab)) + return -EINVAL; val = fec_tab[p->code_rate_HP - FEC_1_2] << 3; val |= fec_tab[p->code_rate_LP - FEC_1_2]; -- 1.9.3 -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
