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NIIBE Yutaka 0bb7fd0cab scd: Enable card removal check after select_application.
* scd/apdu.c (open_ccid_reader): Fix error handling of ccid_get_atr.
* scd/app.c (select_application): Always kick the loop if new APP.
* scd/ccid-driver.c (ccid_open_usb_reader): Don't setup at open.
(ccid_slot_status): Setup interrupt transfer when !ON_WIRE.

--

We can use the interrupt transfer to be notified about card status
change.  In this case, we don't need to issue PC_to_RDR_GetSlotStatus
command.  This change improve the setup the notification; it should be
done after registration of APP.

When the setup is done just after opening the USB connection (before
issuing PC_to_RDR_IccPowerOn), a reader might notifies about no card
availability (because of not yet powered on), even though the card is
ready to be powered on.

GnuPG-bug-id: 3508
Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
2017-11-21 12:19:15 +09:00
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