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scd: Internal CCID driver: More fix for SPR532.

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* scd/ccid-driver.c (bulk_in): Handle the case of missing intr_cb.

--

Backport master commit of:

	920f258eb6018ecec1d63bad6a0fb0772f72affa

GnuPG-bug-id: 5065
Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
This commit is contained in:
NIIBE Yutaka 2020-09-30 10:56:38 +09:00
parent 33a2d4bd7f
commit 1f1b68eef7
1 changed files with 4 additions and 4 deletions
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8
scd/ccid-driver.c
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@ -2148,11 +2148,11 @@ bulk_in (ccid_driver_t handle, unsigned char *buffer, size_t length,
* Communication failure by device side. * Communication failure by device side.
* Possibly, it was forcibly suspended and resumed. * Possibly, it was forcibly suspended and resumed.
* *
* Only detect this kind of failure when interrupt transfer is * For card reader with interrupt transfer support, ideally,
* not supported. For card reader with interrupt transfer * removal is detected by intr_cb, but some card reader
* support removal is detected by intr_cb. * (e.g. SPR532) has a case of missing report to intr_cb.
*/ */
if (handle->ep_intr < 0) if (handle->ep_intr < 0 || handle->id_vendor == VENDOR_SCM)
{ {
DEBUGOUT ("CCID: card inactive/removed\n"); DEBUGOUT ("CCID: card inactive/removed\n");
handle->powered_off = 1; handle->powered_off = 1;