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scd: Fix SEGV in CCID driver.

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* scd/ccid-driver.c (intr_cb): Only kick the loop for removal.
(bulk_in): Don't set POWERED_OFF when interrupt transfer is enabled.

Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
This commit is contained in:
NIIBE Yutaka 2017-07-21 13:26:53 +09:00
parent a76b6cf970
commit d8a55da715
1 changed files with 7 additions and 4 deletions
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11
scd/ccid-driver.c
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@ -1487,6 +1487,7 @@ intr_cb (struct libusb_transfer *transfer)
{
DEBUGOUT ("CCID: card removed\n");
handle->powered_off = 1;
scd_kick_the_loop ();
}
else
{
@ -1501,9 +1502,8 @@ intr_cb (struct libusb_transfer *transfer)
device_removed:
DEBUGOUT ("CCID: device removed\n");
handle->powered_off = 1;
scd_kick_the_loop ();
}
scd_kick_the_loop ();
}
static void
@ -2043,8 +2043,11 @@ bulk_in (ccid_driver_t handle, unsigned char *buffer, size_t length,
* Possibly, it was forcibly suspended and resumed.
*/
DEBUGOUT ("CCID: card inactive/removed\n");
handle->powered_off = 1;
scd_kick_the_loop ();
if (handle->transfer == NULL)
{
handle->powered_off = 1;
scd_kick_the_loop ();
}
}
return rc;