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fix: possible bad null ref

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iceman1001 2019-02-24 20:00:41 +01:00
commit 17fcd8c24b
1 changed files with 11 additions and 11 deletions
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4
client/emv/emvjson.c
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@ -242,7 +242,7 @@ int JsonSaveTLVTree(json_t *root, json_t *elm, char *path, struct tlvdb *tlvdbel
bool HexToBuffer(const char *errormsg, const char *hexvalue, uint8_t * buffer, size_t maxbufferlen, size_t *bufferlen) { bool HexToBuffer(const char *errormsg, const char *hexvalue, uint8_t * buffer, size_t maxbufferlen, size_t *bufferlen) {
int buflen = 0; int buflen = 0;
switch(param_gethex_to_eol(hexvalue, 0, buffer, maxbufferlen, &buflen)) { switch (param_gethex_to_eol(hexvalue, 0, buffer, maxbufferlen, &buflen)) {
case 1: case 1:
PrintAndLog("%s Invalid HEX value.", errormsg); PrintAndLog("%s Invalid HEX value.", errormsg);
return false; return false;
@ -255,7 +255,7 @@ bool HexToBuffer(const char *errormsg, const char *hexvalue, uint8_t * buffer, s
} }
if (buflen > maxbufferlen) { if (buflen > maxbufferlen) {
PrintAndLog("%s HEX length (%d) more than %d", errormsg, *bufferlen, maxbufferlen); PrintAndLog("%s HEX length (%d) more than %d", errormsg, (bufferlen) ? *bufferlen : -1, maxbufferlen);
return false; return false;
} }