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Fix returned value ((res=f()<0)) => ((res=f())<0); this solves a bug in nfc-relay-picc

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This commit is contained in:
Philippe Teuwen 2013-01-22 00:56:34 +01:00
parent 0ac3b26982
commit 5876e33e49
4 changed files with 11 additions and 11 deletions
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8
libnfc/drivers/pn53x_usb.c
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@ -191,14 +191,14 @@ pn53x_usb_scan(const nfc_context *context, nfc_connstring connstrings[], const s
// usb_find_busses will find all of the busses on the system. Returns the
// number of changes since previous call to this function (total of new
// busses and busses removed).
if ((res = usb_find_busses() < 0)) {
if ((res = usb_find_busses()) < 0) {
log_put(LOG_GROUP, LOG_CATEGORY, NFC_LOG_PRIORITY_ERROR, "Unable to find USB busses (%s)", _usb_strerror(res));
return 0;
}
// usb_find_devices will find all of the devices on each bus. This should be
// called after usb_find_busses. Returns the number of changes since the
// previous call to this function (total of new device and devices removed).
if ((res = usb_find_devices() < 0)) {
if ((res = usb_find_devices()) < 0) {
log_put(LOG_GROUP, LOG_CATEGORY, NFC_LOG_PRIORITY_ERROR, "Unable to find USB devices (%s)", _usb_strerror(res));
return 0;
}
@ -336,14 +336,14 @@ pn53x_usb_open(const nfc_context *context, const nfc_connstring connstring)
// usb_find_busses will find all of the busses on the system. Returns the
// number of changes since previous call to this function (total of new
// busses and busses removed).
if ((res = usb_find_busses() < 0)) {
if ((res = usb_find_busses()) < 0) {
log_put(LOG_GROUP, LOG_CATEGORY, NFC_LOG_PRIORITY_ERROR, "Unable to find USB busses (%s)", _usb_strerror(res));
goto free_mem;
}
// usb_find_devices will find all of the devices on each bus. This should be
// called after usb_find_busses. Returns the number of changes since the
// previous call to this function (total of new device and devices removed).
if ((res = usb_find_devices() < 0)) {
if ((res = usb_find_devices()) < 0) {
log_put(LOG_GROUP, LOG_CATEGORY, NFC_LOG_PRIORITY_ERROR, "Unable to find USB devices (%s)", _usb_strerror(res));
goto free_mem;
}