crewID/libnfc
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

acr122_usb: Fix compilation and length offset (bug introduced in r1461)

Browse source
This commit is contained in:
Romuald Conty 2012-10-04 15:28:30 +00:00
parent 2078135c07
commit 6fd29775b2
1 changed files with 2 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

3
libnfc/drivers/acr122_usb.c
View file

@ -715,11 +715,12 @@ read:
// XXX In CCID specification, len is a 32-bits (dword), do we need to decode more than 1 byte ? (0-255 bytes for PN532 reply)
len = abtRxBuf[offset++];
if ((abtRxBuf[++] != 0x00) && (abtRxBuf[++] != 0x00) && (abtRxBuf[++] != 0x00)) {
if ((abtRxBuf[offset] != 0x00) && (abtRxBuf[offset+1] != 0x00) && (abtRxBuf[offset+2] != 0x00)) {
log_put(LOG_CATEGORY, NFC_PRIORITY_ERROR, "%s", "Not implemented: only 1-byte length is supported, please report this bug with a full trace.");
pnd->last_error = NFC_EIO;
return pnd->last_error;
}
offset += 3;
if (len < 4) {
log_put(LOG_CATEGORY, NFC_PRIORITY_ERROR, "%s", "Too small reply");