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focaltech_moc: Handle errors

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If the reader does not respond, currently the plugin segfaults.
The error should be handled gracefully.

With this change, an error is printed instead of crashing:
  failed to claim device:
  GDBus.Error:net.reactivated.Fprint.Error.Internal:
  Open failed with error: Can't get response!!

Signed-off-by: Daniel Schaefer <dhs@frame.work>
This commit is contained in:
Daniel Schaefer
2026-07-02 12:46:48 +02:00
committed by Marco Trevisan (Treviño)
parent 0fa670f7f8
commit 4061d76218
1 changed files with 3 additions and 1 deletions
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libfprint/drivers/focaltech_moc/focaltech_moc.c
+3 -1
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@@ -469,6 +469,8 @@ usb_claim_interface_probe (FpDevice *device, int claim, GError **error)
int i;
interfaces = g_usb_device_get_interfaces (fpi_device_get_usb_device (device), error);
if (interfaces == NULL)
return ret;
for (i = 0; i < interfaces->len; i++)
{
@@ -534,7 +536,7 @@ task_ssm_init_done (FpiSsm *ssm, FpDevice *device, GError *error)
FpiDeviceFocaltechMoc *self = FPI_DEVICE_FOCALTECH_MOC (device);
if (error)
usb_claim_interface_probe (device, 0, &error);
usb_claim_interface_probe (device, 0, NULL);
fpi_device_open_complete (FP_DEVICE (self), g_steal_pointer (&error));
}