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

Verify return of nfc_device_set_property_bool()

Browse source 
Problem reported by Coverity
CID 1090319 (#1 of 1): Unchecked return value (CHECKED_RETURN)
  unchecked_value: No check of the return value of "nfc_device_set_property_bool(pnd, NP_EASY_FRAMING, nt.nti.nai.btSak & 0x20)".
CID 1090320 (#1 of 1): Unchecked return value (CHECKED_RETURN)
  unchecked_value: No check of the return value of "nfc_device_set_property_bool(dev, NP_HANDLE_CRC, false)".
CID 1090324 (#1 of 2): Unchecked return value (CHECKED_RETURN)
  unchecked_value: No check of the return value of "nfc_device_set_property_bool(pnd, NP_ACTIVATE_FIELD, true)".
CID 1090325 (#1 of 1): Unchecked return value (CHECKED_RETURN)
  unchecked_value: No check of the return value of "nfc_device_set_property_bool(pnd, NP_AUTO_ISO14443_4, false)".
This commit is contained in:
Philippe Teuwen 2013-09-22 01:31:45 +02:00
parent ddf58f2d69
commit d9b531f50f
2 changed files with 20 additions and 4 deletions
Download patch file Download diff file Expand all files Collapse all files

10
utils/nfc-mfclassic.c
View file

@ -280,8 +280,14 @@ get_rats(void)
res = nfc_initiator_transceive_bytes(pnd, abtRats, sizeof(abtRats), abtRx, sizeof(abtRx), 0);
if (res > 0) {
// ISO14443-4 card, turn RF field off/on to access ISO14443-3 again
nfc_device_set_property_bool(pnd, NP_ACTIVATE_FIELD, false);
nfc_device_set_property_bool(pnd, NP_ACTIVATE_FIELD, true);
if (nfc_device_set_property_bool(pnd, NP_ACTIVATE_FIELD, false) < 0) {
nfc_perror(pnd, "nfc_configure");
return -1;
}
if (nfc_device_set_property_bool(pnd, NP_ACTIVATE_FIELD, true) < 0) {
nfc_perror(pnd, "nfc_configure");
return -1;
}
}
// Reselect tag
if (nfc_initiator_select_passive_target(pnd, nmMifare, NULL, 0, &nt) <= 0) {