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fix coverity resource leak

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This commit is contained in:
iceman1001 2020-06-09 17:01:31 +02:00
parent 17f56479ea
commit a71f4cd475
1 changed files with 6 additions and 1 deletions
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7
client/src/cmdhficlass.c
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@ -1683,10 +1683,13 @@ static int CmdHFiClassCloneTag(const char *Cmd) {
if (bytes_read == 0) { if (bytes_read == 0) {
PrintAndLogEx(ERR, "file reading error"); PrintAndLogEx(ERR, "file reading error");
free(dump);
return PM3_EFILE; return PM3_EFILE;
} }
if (bytes_read < sizeof(iclass_block_t) * (endblock - startblock + 1)) { if (bytes_read < sizeof(iclass_block_t) * (endblock - startblock + 1)) {
PrintAndLogEx(ERR, "file wrong size"); PrintAndLogEx(ERR, "file wrong size");
free(dump);
return PM3_EFILE; return PM3_EFILE;
} }
@ -1697,7 +1700,9 @@ static int CmdHFiClassCloneTag(const char *Cmd) {
iclass_block_t tag_data[PM3_CMD_DATA_SIZE / 12]; iclass_block_t tag_data[PM3_CMD_DATA_SIZE / 12];
memcpy(tag_data, dump + startblock * 8, sizeof(iclass_block_t) * (endblock - startblock + 1)); memcpy(tag_data, dump + startblock * 8, sizeof(iclass_block_t) * (endblock - startblock + 1));
free(dump);
uint8_t MAC[4] = {0x00, 0x00, 0x00, 0x00}; uint8_t MAC[4] = {0x00, 0x00, 0x00, 0x00};
uint8_t div_key[8] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}; uint8_t div_key[8] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};