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cppcheck avoid dereferencing potentially null pointer

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This commit is contained in:
Philippe Teuwen 2021-09-03 23:48:45 +02:00
parent 0830cfcf1c
commit d3c6c430a8
1 changed files with 3 additions and 0 deletions
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3
client/src/mifare/lrpcrypto.c
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@ -144,6 +144,9 @@ void LRPIncCounter(uint8_t *ctr, size_t ctrlen) {
void LRPEncode(LRPContext_t *ctx, uint8_t *data, size_t datalen, uint8_t *resp, size_t *resplen) {
*resplen = 0;
if (data == NULL) {
return;
}
uint8_t xdata[1024] = {0};
memcpy(xdata, data, datalen);
if (ctx->useBitPadding) {