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pcs param is sometimes NULL here

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iceman1001 2022-03-20 09:35:37 +01:00
parent 2523ac7177
commit 178f9bb142
1 changed files with 1 additions and 1 deletions
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armsrc/mifareutil.c
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@ -117,7 +117,7 @@ uint16_t mifare_sendcmd_short(struct Crypto1State *pcs, uint8_t crypted, uint8_t
if (answer_parity) *answer_parity = par[0]; if (answer_parity) *answer_parity = par[0];
if (crypted == CRYPT_ALL) { if (pcs && (crypted == CRYPT_ALL)) {
if (len == 1) { if (len == 1) {
uint16_t res = 0; uint16_t res = 0;
res |= (crypto1_bit(pcs, 0, 0) ^ BIT(answer[0], 0)) << 0; res |= (crypto1_bit(pcs, 0, 0) ^ BIT(answer[0], 0)) << 0;