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Fix nfc_initiator_select_passive_target() in several utils if tag is missing

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This commit is contained in:
Philippe Teuwen
2013-02-01 20:52:49 +01:00
parent 8127a2ca63
commit 386e08d8b3
4 changed files with 8 additions and 8 deletions
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6
utils/nfc-mfclassic.c
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@@ -282,7 +282,7 @@ read_card(int read_unlocked)
// Show if the readout went well
if (bFailure) {
// When a failure occured we need to redo the anti-collision
if (nfc_initiator_select_passive_target(pnd, nmMifare, NULL, 0, &nt) < 0) {
if (nfc_initiator_select_passive_target(pnd, nmMifare, NULL, 0, &nt) <= 0) {
printf("!\nError: tag was removed\n");
return false;
}
@@ -355,7 +355,7 @@ write_card(int write_block_zero)
// Show if the readout went well
if (bFailure) {
// When a failure occured we need to redo the anti-collision
if (nfc_initiator_select_passive_target(pnd, nmMifare, NULL, 0, &nt) < 0) {
if (nfc_initiator_select_passive_target(pnd, nmMifare, NULL, 0, &nt) <= 0) {
printf("!\nError: tag was removed\n");
return false;
}
@@ -534,7 +534,7 @@ main(int argc, const char *argv[])
printf("NFC reader: %s opened\n", nfc_device_get_name(pnd));
// Try to find a MIFARE Classic tag
if (nfc_initiator_select_passive_target(pnd, nmMifare, NULL, 0, &nt) < 0) {
if (nfc_initiator_select_passive_target(pnd, nmMifare, NULL, 0, &nt) <= 0) {
printf("Error: no tag was found\n");
nfc_close(pnd);
nfc_exit(context);