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itacns_get_serialnr(): check sc_read_binary() returned data length.

This commit is contained in:
resoli 2014-11-07 12:35:21 +01:00
parent f83f8d28df
commit 56684d857c
1 changed files with 2 additions and 2 deletions
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4
src/libopensc/card-itacns.c
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@ -515,8 +515,8 @@ static int itacns_get_serialnr(sc_card_t *card, sc_serial_number_t *serial)
(unsigned long) len);
}
sc_read_binary(card, 0, rbuf, 256, 0);
if (r != SC_SUCCESS) {
r = sc_read_binary(card, 0, rbuf, 256, 0);
if (r != SC_SUCCESS || r != 16 ) {
return SC_ERROR_WRONG_CARD;
}