As reported by Dan Carpenter <dan.carpenter@oracle.com>:
	Smatch warnings:
	drivers/media/dvb-frontends/mb86a20s.c:644 mb86a20s_layer_bitrate() error: buffer overflow 'state->estimated_rate' 3 <= 3
What happens there is that estimate_rate index should be the layer
number, and not the guard interval.
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
               __func__, 'A' + layer, segment * isdbt_rate[m][f][i]/1000,
                rate, rate);
 
-       state->estimated_rate[i] = rate;
+       state->estimated_rate[layer] = rate;
 }