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srsLTE
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Fix Polar unitialised read

This commit is contained in:
Xavier Arteaga 2020-11-27 15:37:00 +01:00 committed by Andre Puschmann
parent cd1aef7d76
commit 315394560d
1 changed files with 5 additions and 6 deletions
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11
lib/src/phy/fec/polar/polar_code.c
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@ -97,7 +97,7 @@ int get_code_params(srslte_polar_code_t* c, const uint16_t K, const uint16_t E,
case 9: // downlink
// iil = true
if (K < 36 || K > 164) {
ERROR("Codeblock length (K) not supported for downlink transmission, choose 165 > K > 35\n");
ERROR("Codeblock length (K=%d) not supported for downlink transmission, choose 165 > K > 35\n", K);
return -1;
}
break;
@ -288,14 +288,13 @@ int srslte_polar_code_get(srslte_polar_code_t* c, uint16_t K, uint16_t E, uint8_
uint16_t fvalue = 0;
uint16_t i_f = 0;
while (i_f < c->F_set_size) {
if (c->K_set[i_k] == fvalue) {
i_k++; // skip
fvalue++;
} else {
if (c->K_set[i_k] != fvalue) {
c->F_set[i_f] = fvalue;
fvalue++;
i_f++;
} else if (i_k < K + nPC - 1) {
i_k++; // skip
}
fvalue++;
}
// mark the end of the sets (useful at subchannel allocation)